openttd-mini: newgrf_spritegroup.c@e8f69de723e1 (annotated)

3595 a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	1	/* $Id$ */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	2
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	3	#include "stdafx.h"
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	4	#include "openttd.h"
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	5	#include "variables.h"
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	6	#include "macros.h"
3595 a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	7	#include "pool.h"
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	8	#include "newgrf_spritegroup.h"
3595 a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	9
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	10	enum {
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	11	SPRITEGROUP_POOL_BLOCK_SIZE_BITS = 4, /* (1 << 4) == 16 items */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	12	SPRITEGROUP_POOL_MAX_BLOCKS = 8000,
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	13	};
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	14
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	15	static uint _spritegroup_count = 0;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	16	static MemoryPool _spritegroup_pool;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	17
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	18
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	19	static void SpriteGroupPoolCleanBlock(uint start_item, uint end_item)
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	20	{
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	21	uint i;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	22
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	23	for (i = start_item; i <= end_item; i++) {
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	24	SpriteGroup group = (SpriteGroup)GetItemFromPool(&_spritegroup_pool, i);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	25
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	26	/* Free dynamically allocated memory */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	27	switch (group->type) {
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	28	case SGT_REAL:
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	29	free(group->g.real.loaded);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	30	free(group->g.real.loading);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	31	break;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	32
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	33	case SGT_DETERMINISTIC:
3668 42325f12e7d8 (svn r4583) - NewGRF: Revamp sprite group loading to support advanced varadjusts and variable size. These are not yet processed, however. peter1138 parents: 3595 diff changeset	34	free(group->g.determ.adjusts);
3595 a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	35	free(group->g.determ.ranges);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	36	break;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	37
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	38	case SGT_RANDOMIZED:
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	39	free(group->g.random.groups);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	40	break;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	41
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	42	default:
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	43	break;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	44	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	45	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	46	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	47
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	48
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	49	/* Initialize the SpriteGroup pool */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	50	static MemoryPool _spritegroup_pool = { "SpriteGr", SPRITEGROUP_POOL_MAX_BLOCKS, SPRITEGROUP_POOL_BLOCK_SIZE_BITS, sizeof(SpriteGroup), NULL, &SpriteGroupPoolCleanBlock, 0, 0, NULL };
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	51
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	52
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	53	/* Allocate a new SpriteGroup */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	54	SpriteGroup *AllocateSpriteGroup(void)
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	55	{
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	56	/* This is totally different to the other pool allocators, as we never remove an item from the pool. */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	57	if (_spritegroup_count == _spritegroup_pool.total_items) {
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	58	if (!AddBlockToPool(&_spritegroup_pool)) return NULL;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	59	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	60
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	61	return (SpriteGroup*)GetItemFromPool(&_spritegroup_pool, _spritegroup_count++);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	62	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	63
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	64
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	65	void InitializeSpriteGroupPool(void)
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	66	{
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	67	CleanPool(&_spritegroup_pool);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	68
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	69	_spritegroup_count = 0;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	70	}
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	71
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	72
3893 ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	73	static inline uint32 GetVariable(const ResolverObject object, byte variable, byte parameter, bool available)
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	74	{
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	75	/* Return common variables */
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	76	switch (variable) {
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	77	case 0x00: return _date;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	78	case 0x01: return _cur_year;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	79	case 0x02: return _cur_month;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	80	case 0x03: return _opt.landscape;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	81	case 0x09: return _date_fract;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	82	case 0x0A: return _tick_counter;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	83	case 0x0C: return object->callback;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	84	case 0x10: return object->callback_param1;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	85	case 0x11: return 0;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	86	case 0x18: return object->callback_param2;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	87	case 0x1A: return -1;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	88	case 0x1B: return GB(_display_opt, 0, 6);
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	89	case 0x1C: return object->last_value;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	90	case 0x20: return _opt.landscape == LT_HILLY ? _opt.snow_line : 0xFF;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	91
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	92	/* Not a common variable, so evalute the feature specific variables */
3893 ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	93	default: return object->GetVariable(object, variable, parameter, available);
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	94	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	95	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	96
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	97
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	98	/* Evaluate an adjustment for a variable of the given size. This is a bit of
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	99	* an unwieldy macro, but it saves triplicating the code. */
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	100	#define BUILD_EVAL_ADJUST(size, usize) \
3788 2db4dcd739c7 (svn r4784) - NewGRF: shuffle the mix of signed / unsigned types when dealing with var adjusts. Fixes issues with some station layouts. peter1138 parents: 3753 diff changeset	101	static inline usize EvalAdjust_ ## size(const DeterministicSpriteGroupAdjust *adjust, usize last_value, int32 value) \
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	102	{ \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	103	value >>= adjust->shift_num; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	104	value &= adjust->and_mask; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	105	\
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	106	if (adjust->type != DSGA_TYPE_NONE) value += (size)adjust->add_val; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	107	\
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	108	switch (adjust->type) { \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	109	case DSGA_TYPE_DIV: value /= (size)adjust->divmod_val; break; \
3788 2db4dcd739c7 (svn r4784) - NewGRF: shuffle the mix of signed / unsigned types when dealing with var adjusts. Fixes issues with some station layouts. peter1138 parents: 3753 diff changeset	110	case DSGA_TYPE_MOD: value %= (usize)adjust->divmod_val; break; \
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	111	case DSGA_TYPE_NONE: break; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	112	} \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	113	\
3690 ff17bac84007 (svn r4616) - NewGRF: when evaluating a variable adjustment, give our value the correct type after rather than before it has been adjusted. peter1138 parents: 3686 diff changeset	114	/* Get our value to the correct range */ \
3788 2db4dcd739c7 (svn r4784) - NewGRF: shuffle the mix of signed / unsigned types when dealing with var adjusts. Fixes issues with some station layouts. peter1138 parents: 3753 diff changeset	115	value = (usize)value; \
3690 ff17bac84007 (svn r4616) - NewGRF: when evaluating a variable adjustment, give our value the correct type after rather than before it has been adjusted. peter1138 parents: 3686 diff changeset	116	\
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	117	switch (adjust->operation) { \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	118	case DSGA_OP_ADD: return last_value + value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	119	case DSGA_OP_SUB: return last_value - value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	120	case DSGA_OP_SMIN: return min(last_value, value); \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	121	case DSGA_OP_SMAX: return max(last_value, value); \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	122	case DSGA_OP_UMIN: return min((usize)last_value, (usize)value); \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	123	case DSGA_OP_UMAX: return max((usize)last_value, (usize)value); \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	124	case DSGA_OP_SDIV: return last_value / value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	125	case DSGA_OP_SMOD: return last_value % value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	126	case DSGA_OP_UDIV: return (usize)last_value / (usize)value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	127	case DSGA_OP_UMOD: return (usize)last_value % (usize)value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	128	case DSGA_OP_MUL: return last_value * value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	129	case DSGA_OP_AND: return last_value & value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	130	case DSGA_OP_OR: return last_value \| value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	131	case DSGA_OP_XOR: return last_value ^ value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	132	default: return value; \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	133	} \
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	134	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	135
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	136
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	137	BUILD_EVAL_ADJUST(int8, uint8)
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	138	BUILD_EVAL_ADJUST(int16, uint16)
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	139	BUILD_EVAL_ADJUST(int32, uint32)
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	140
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	141
3686 16627c28741d (svn r4611) - NewGRF: introduce new vehicle sprite group resolver code. This also fixes some known bugs (e.g. the 'Standard Five' in UKRS is now the correct colour) peter1138 parents: 3681 diff changeset	142	static inline const SpriteGroup ResolveVariable(const SpriteGroup group, ResolverObject *object)
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	143	{
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	144	static SpriteGroup nvarzero;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	145	int32 last_value = object->last_value;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	146	int32 value = -1;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	147	uint i;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	148
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	149	object->scope = group->g.determ.var_scope;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	150
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	151	for (i = 0; i < group->g.determ.num_adjusts; i++) {
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	152	DeterministicSpriteGroupAdjust *adjust = &group->g.determ.adjusts[i];
3893 ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	153
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	154	/* Try to get the variable. We shall assume it is available, unless told otherwise. */
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	155	bool available = true;
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	156	value = GetVariable(object, adjust->variable, adjust->parameter, &available);
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	157
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	158	if (!available) {
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	159	/* Unsupported property: skip further processing and return either
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	160	* the group from the first range or the default group. */
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	161	return Resolve(group->g.determ.num_ranges > 0 ? group->g.determ.ranges[0].group : group->g.determ.default_group, object);
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	162	}
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	163
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	164	switch (group->g.determ.size) {
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	165	case DSG_SIZE_BYTE: value = EvalAdjust_int8(adjust, last_value, value); break;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	166	case DSG_SIZE_WORD: value = EvalAdjust_int16(adjust, last_value, value); break;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	167	case DSG_SIZE_DWORD: value = EvalAdjust_int32(adjust, last_value, value); break;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	168	default: NOT_REACHED(); break;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	169	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	170	last_value = value;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	171	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	172
3893 ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	173	if (group->g.determ.num_ranges == 0) {
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	174	/* nvar == 0 is a special case -- we turn our value into a callback result */
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	175	nvarzero.type = SGT_CALLBACK;
3942 718fa406d7eb (svn r5087) - NewGRF: Fix thinko in returning a calculated callback result peter1138 parents: 3893 diff changeset	176	nvarzero.g.callback.result = GB(value, 0, 15);
3893 ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	177	return &nvarzero;
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	178	}
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	179
3893 ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	180	for (i = 0; i < group->g.determ.num_ranges; i++) {
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	181	if (group->g.determ.ranges[i].low <= (uint32)value && (uint32)value <= group->g.determ.ranges[i].high) {
ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	182	return Resolve(group->g.determ.ranges[i].group, object);
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	183	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	184	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	185
3893 ced26054ee00 (svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1. peter1138 parents: 3861 diff changeset	186	return Resolve(group->g.determ.default_group, object);
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	187	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	188
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	189
3686 16627c28741d (svn r4611) - NewGRF: introduce new vehicle sprite group resolver code. This also fixes some known bugs (e.g. the 'Standard Five' in UKRS is now the correct colour) peter1138 parents: 3681 diff changeset	190	static inline const SpriteGroup ResolveRandom(const SpriteGroup group, ResolverObject *object)
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	191	{
3753 2509d0dc21a7 (svn r4741) - NewGRF: use the correct variable type for the random bit mask peter1138 parents: 3734 diff changeset	192	uint32 mask;
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	193	byte index;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	194
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	195	object->scope = group->g.random.var_scope;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	196
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	197	if (object->trigger != 0) {
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	198	/* Handle triggers */
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	199	/* Magic code that may or may not do the right things... */
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	200	byte waiting_triggers = object->GetTriggers(object);
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	201	byte match = group->g.random.triggers & (waiting_triggers \| object->trigger);
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	202	bool res;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	203
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	204	res = (group->g.random.cmp_mode == RSG_CMP_ANY) ?
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	205	(match != 0) : (match == group->g.random.triggers);
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	206
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	207	if (res) {
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	208	waiting_triggers &= ~match;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	209	object->reseed \|= (group->g.random.num_groups - 1) << group->g.random.lowest_randbit;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	210	} else {
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	211	waiting_triggers \|= object->trigger;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	212	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	213
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	214	object->SetTriggers(object, waiting_triggers);
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	215	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	216
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	217	mask = (group->g.random.num_groups - 1) << group->g.random.lowest_randbit;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	218	index = (object->GetRandomBits(object) & mask) >> group->g.random.lowest_randbit;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	219
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	220	return Resolve(group->g.random.groups[index], object);
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	221	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	222
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	223
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	224	/* ResolverObject (re)entry point */
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	225	const SpriteGroup Resolve(const SpriteGroup group, ResolverObject *object)
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	226	{
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	227	/* We're called even if there is no group, so quietly return nothing */
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	228	if (group == NULL) return NULL;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	229
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	230	switch (group->type) {
3734 5b331306e6fe (svn r4714) - NewGRF: simplify evaluation of 'real' sprite groups. peter1138 parents: 3690 diff changeset	231	case SGT_REAL: return object->ResolveReal(object, group);
3677 526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	232	case SGT_DETERMINISTIC: return ResolveVariable(group, object);
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	233	case SGT_RANDOMIZED: return ResolveRandom(group, object);
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	234	default: return group;
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	235	}
526d6243241a (svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet. peter1138 parents: 3668 diff changeset	236	}

author	bjarni
	Sat, 12 Aug 2006 10:41:29 +0000
changeset 4251	e8f69de723e1
parent 3971	77061ae9b534
child 4261	28670f743746
permissions	-rw-r--r--