tron@2186: /* $Id$ */
tron@2186: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
tron@2163: #include "functions.h"
Darkvater@4957: #include "macros.h"
tron@1309: #include "strings.h"
truelight@0: #include "gfx.h"
truelight@0: #include "viewport.h"
truelight@0: #include "saveload.h"
truelight@543: #include "hal.h"
truelight@543: #include "console.h"
truelight@1595: #include "string.h"
tron@2153: #include "variables.h"
celestar@2218: #include "table/sprites.h"
truelight@543: #include <stdarg.h> /* va_list */
rubidium@4261: #include "date.h"
truelight@0: 
truelight@0: typedef struct TextEffect {
truelight@0: 	StringID string_id;
tron@849: 	int32 x;
tron@849: 	int32 y;
tron@849: 	int32 right;
tron@849: 	int32 bottom;
truelight@0: 	uint16 duration;
truelight@0: 	uint32 params_1;
truelight@0: 	uint32 params_2;
truelight@0: } TextEffect;
truelight@0: 
Darkvater@4957: #define MAX_TEXTMESSAGE_LENGTH 150
truelight@543: 
truelight@543: typedef struct TextMessage {
truelight@543: 	char message[MAX_TEXTMESSAGE_LENGTH];
truelight@543: 	uint16 color;
truelight@4363: 	Date end_date;
truelight@543: } TextMessage;
truelight@543: 
truelight@543: #define MAX_CHAT_MESSAGES 10
truelight@0: static TextEffect _text_effect_list[30];
Darkvater@4956: static TextMessage _textmsg_list[MAX_CHAT_MESSAGES];
truelight@0: TileIndex _animated_tile_list[256];
truelight@0: 
Darkvater@4956: static bool _textmessage_dirty = false;
tron@2548: static bool _textmessage_visible = false;
truelight@543: 
Darkvater@4956: /* The chatbox grows from the bottom so the coordinates are pixels from
Darkvater@4956:  * the left and pixels from the bottom. The height is the maximum height */
Darkvater@4957: static const Oblong _textmsg_box = {10, 30, 500, 150};
Darkvater@4957: static Pixel _textmessage_backup[150 * 500]; // (height * width)
truelight@543: 
Darkvater@4958: extern void memcpy_pitch(void *dst, void *src, int w, int h, int srcpitch, int dstpitch);
truelight@543: 
Darkvater@4957: static inline uint GetTextMessageCount(void)
Darkvater@4957: {
Darkvater@4959: 	uint i;
Darkvater@4957: 
Darkvater@4959: 	for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
Darkvater@4957: 		if (_textmsg_list[i].message[0] == '\0') break;
Darkvater@4957: 	}
Darkvater@4957: 
Darkvater@4957: 	return i;
Darkvater@4957: }
Darkvater@4957: 
Darkvater@4957: /* Add a text message to the 'chat window' to be shown
Darkvater@4957:  * @param color The colour this message is to be shown in
Darkvater@4957:  * @param duration The duration of the chat message in game-days
Darkvater@4957:  * @param message message itself in printf() style */
darkvater@1022: void CDECL AddTextMessage(uint16 color, uint8 duration, const char *message, ...)
truelight@543: {
tron@2455: 	char buf[MAX_TEXTMESSAGE_LENGTH];
Darkvater@4957: 	const char *bufp;
truelight@543: 	va_list va;
Darkvater@4957: 	uint msg_count;
Darkvater@4957: 	uint16 lines;
truelight@543: 
truelight@543: 	va_start(va, message);
tron@2373: 	vsnprintf(buf, lengthof(buf), message, va);
truelight@543: 	va_end(va);
truelight@543: 
Darkvater@4957: 	/* Force linebreaks for strings that are too long */
Darkvater@4957: 	lines = GB(FormatStringLinebreaks(buf, _textmsg_box.width - 8), 0, 16) + 1;
Darkvater@4957: 	if (lines >= MAX_CHAT_MESSAGES) return;
truelight@543: 
Darkvater@4957: 	msg_count = GetTextMessageCount();
Darkvater@4957: 	/* We want to add more chat messages than there is free space for, remove 'old' */
Darkvater@4957: 	if (lines > MAX_CHAT_MESSAGES - msg_count) {
Darkvater@4957: 		int i = lines - (MAX_CHAT_MESSAGES - msg_count);
Darkvater@4957: 		memmove(&_textmsg_list[0], &_textmsg_list[i], sizeof(_textmsg_list[0]) * (msg_count - i));
Darkvater@4957: 		msg_count = MAX_CHAT_MESSAGES - lines;
truelight@543: 	}
truelight@543: 
Darkvater@4957: 	for (bufp = buf; lines != 0; lines--) {
Darkvater@4957: 		TextMessage *tmsg = &_textmsg_list[msg_count++];
Darkvater@4957: 		ttd_strlcpy(tmsg->message, bufp, sizeof(tmsg->message));
Darkvater@4957: 
Darkvater@4957: 		/* The default colour for a message is player colour. Replace this with
Darkvater@4957: 		 * white for any additional lines */
Darkvater@4957: 		tmsg->color = (bufp == buf && color & IS_PALETTE_COLOR) ? color : (0x1D - 15) | IS_PALETTE_COLOR;
Darkvater@4957: 		tmsg->end_date = _date + duration;
Darkvater@4957: 
Darkvater@4957: 		bufp += strlen(bufp) + 1; // jump to 'next line' in the formatted string
Darkvater@4957: 	}
truelight@543: 
truelight@543: 	_textmessage_dirty = true;
truelight@543: }
truelight@543: 
tron@1093: void InitTextMessage(void)
truelight@543: {
tron@2639: 	uint i;
tron@2639: 
tron@2639: 	for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
Darkvater@4956: 		_textmsg_list[i].message[0] = '\0';
tron@2639: 	}
truelight@543: }
truelight@543: 
truelight@543: // Hide the textbox
tron@1093: void UndrawTextMessage(void)
truelight@543: {
truelight@543: 	if (_textmessage_visible) {
truelight@543: 		// Sometimes we also need to hide the cursor
truelight@543: 		//   This is because both textmessage and the cursor take a shot of the
truelight@543: 		//   screen before drawing.
truelight@543: 		//   Now the textmessage takes his shot and paints his data before the cursor
truelight@543: 		//   does, so in the shot of the cursor is the screen-data of the textmessage
truelight@543: 		//   included when the cursor hangs somewhere over the textmessage. To
truelight@543: 		//   avoid wrong repaints, we undraw the cursor in that case, and everything
truelight@543: 		//   looks nicely ;)
truelight@543: 		// (and now hope this story above makes sense to you ;))
truelight@543: 
truelight@543: 		if (_cursor.visible) {
Darkvater@4956: 			if (_cursor.draw_pos.x + _cursor.draw_size.x >= _textmsg_box.x &&
Darkvater@4956: 				_cursor.draw_pos.x <= _textmsg_box.x + _textmsg_box.width &&
Darkvater@4956: 				_cursor.draw_pos.y + _cursor.draw_size.y >= _screen.height - _textmsg_box.y - _textmsg_box.height &&
Darkvater@4956: 				_cursor.draw_pos.y <= _screen.height - _textmsg_box.y) {
truelight@543: 				UndrawMouseCursor();
truelight@543: 			}
truelight@543: 		}
truelight@543: 
truelight@543: 		_textmessage_visible = false;
truelight@543: 		// Put our 'shot' back to the screen
truelight@543: 		memcpy_pitch(
Darkvater@4956: 			_screen.dst_ptr + _textmsg_box.x + (_screen.height - _textmsg_box.y - _textmsg_box.height) * _screen.pitch,
truelight@543: 			_textmessage_backup,
Darkvater@4956: 			_textmsg_box.width, _textmsg_box.height, _textmsg_box.width, _screen.pitch);
truelight@543: 
truelight@543: 		// And make sure it is updated next time
Darkvater@4956: 		_video_driver->make_dirty(_textmsg_box.x, _screen.height - _textmsg_box.y - _textmsg_box.height, _textmsg_box.width, _textmsg_box.height);
truelight@543: 
truelight@543: 		_textmessage_dirty = true;
truelight@543: 	}
truelight@543: }
truelight@543: 
truelight@543: // Check if a message is expired every day
tron@1093: void TextMessageDailyLoop(void)
truelight@543: {
tron@2639: 	uint i;
tron@2639: 
truelight@1595: 	for (i = 0; i < MAX_CHAT_MESSAGES; i++) {
Darkvater@4957: 		TextMessage *tmsg = &_textmsg_list[i];
Darkvater@4957: 		if (tmsg->message[0] == '\0') continue;
truelight@1595: 
Darkvater@4957: 		/* Message has expired, remove from the list */
Darkvater@4957: 		if (tmsg->end_date < _date) {
truelight@1595: 			/* Move the remaining messages over the current message */
Darkvater@4957: 			if (i != MAX_CHAT_MESSAGES - 1) memmove(tmsg, tmsg + 1, sizeof(*tmsg) * (MAX_CHAT_MESSAGES - i - 1));
truelight@1595: 
truelight@1595: 			/* Mark the last item as empty */
Darkvater@4956: 			_textmsg_list[MAX_CHAT_MESSAGES - 1].message[0] = '\0';
truelight@1595: 			_textmessage_dirty = true;
truelight@1595: 
truelight@1595: 			/* Go one item back, because we moved the array 1 to the left */
truelight@543: 			i--;
truelight@543: 		}
truelight@543: 	}
truelight@543: }
truelight@543: 
truelight@543: // Draw the textmessage-box
tron@1093: void DrawTextMessage(void)
truelight@543: {
Darkvater@4960: 	uint y, count;
truelight@543: 
tron@2639: 	if (!_textmessage_dirty) return;
truelight@543: 
truelight@543: 	// First undraw if needed
truelight@543: 	UndrawTextMessage();
truelight@543: 
Darkvater@4959: 	if (_iconsole_mode == ICONSOLE_FULL) return;
truelight@543: 
truelight@1595: 	/* Check if we have anything to draw at all */
Darkvater@4960: 	count = GetTextMessageCount();
Darkvater@4960: 	if (count == 0) return;
truelight@543: 
truelight@543: 	// Make a copy of the screen as it is before painting (for undraw)
truelight@543: 	memcpy_pitch(
truelight@543: 		_textmessage_backup,
Darkvater@4956: 		_screen.dst_ptr + _textmsg_box.x + (_screen.height - _textmsg_box.y - _textmsg_box.height) * _screen.pitch,
Darkvater@4956: 		_textmsg_box.width, _textmsg_box.height, _screen.pitch, _textmsg_box.width);
truelight@543: 
Darkvater@4960: 	_cur_dpi = &_screen; // switch to _screen painting
truelight@543: 
Darkvater@4960: 	/* Paint a half-transparent box behind the text messages */
Darkvater@4960: 	GfxFillRect(
Darkvater@4960: 			_textmsg_box.x,
Darkvater@4960: 			_screen.height - _textmsg_box.y - count * 13 - 2,
Darkvater@4960: 			_textmsg_box.x + _textmsg_box.width - 1,
Darkvater@4960: 			_screen.height - _textmsg_box.y - 2,
Darkvater@4960: 			0x322 | USE_COLORTABLE // black, but with some alpha for background
Darkvater@4960: 		);
truelight@1595: 
Darkvater@4960: 	/* Paint the messages starting with the lowest at the bottom */
Darkvater@4960: 	for (y = 13; count-- != 0; y += 13) {
Darkvater@4960: 		DoDrawString(_textmsg_list[count].message, _textmsg_box.x + 3, _screen.height - _textmsg_box.y - y + 1, _textmsg_list[count].color);
Darkvater@4960:  	}
truelight@543: 
truelight@543: 	// Make sure the data is updated next flush
Darkvater@4956: 	_video_driver->make_dirty(_textmsg_box.x, _screen.height - _textmsg_box.y - _textmsg_box.height, _textmsg_box.width, _textmsg_box.height);
truelight@543: 
truelight@543: 	_textmessage_visible = true;
truelight@543: 	_textmessage_dirty = false;
truelight@543: }
truelight@543: 
truelight@0: static void MarkTextEffectAreaDirty(TextEffect *te)
truelight@0: {
truelight@0: 	MarkAllViewportsDirty(
truelight@0: 		te->x,
truelight@0: 		te->y - 1,
truelight@0: 		(te->right - te->x)*2 + te->x + 1,
truelight@0: 		(te->bottom - (te->y - 1)) * 2 + (te->y - 1) + 1
truelight@0: 	);
truelight@0: }
truelight@0: 
truelight@0: void AddTextEffect(StringID msg, int x, int y, uint16 duration)
truelight@0: {
truelight@0: 	TextEffect *te;
truelight@0: 	int w;
truelight@0: 	char buffer[100];
truelight@0: 
Darkvater@4958: 	if (_game_mode == GM_MENU) return;
truelight@193: 
tron@2470: 	for (te = _text_effect_list; te->string_id != INVALID_STRING_ID; ) {
tron@2639: 		if (++te == endof(_text_effect_list)) return;
truelight@0: 	}
truelight@0: 
truelight@0: 	te->string_id = msg;
truelight@0: 	te->duration = duration;
truelight@0: 	te->y = y - 5;
truelight@0: 	te->bottom = y + 5;
tron@534: 	te->params_1 = GetDParam(0);
tron@534: 	te->params_2 = GetDParam(4);
truelight@0: 
Darkvater@4912: 	GetString(buffer, msg, lastof(buffer));
Darkvater@4609: 	w = GetStringBoundingBox(buffer).width;
truelight@0: 
truelight@0: 	te->x = x - (w >> 1);
truelight@0: 	te->right = x + (w >> 1) - 1;
truelight@0: 	MarkTextEffectAreaDirty(te);
truelight@0: }
truelight@0: 
truelight@0: static void MoveTextEffect(TextEffect *te)
truelight@0: {
truelight@0: 	if (te->duration < 8) {
tron@2470: 		te->string_id = INVALID_STRING_ID;
truelight@0: 	} else {
tron@2549: 		te->duration -= 8;
truelight@0: 		te->y--;
truelight@0: 		te->bottom--;
truelight@0: 	}
truelight@0: 	MarkTextEffectAreaDirty(te);
truelight@0: }
truelight@0: 
tron@1093: void MoveAllTextEffects(void)
truelight@0: {
truelight@0: 	TextEffect *te;
truelight@0: 
tron@2549: 	for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
tron@2549: 		if (te->string_id != INVALID_STRING_ID) MoveTextEffect(te);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1093: void InitTextEffects(void)
truelight@0: {
truelight@0: 	TextEffect *te;
truelight@0: 
tron@2549: 	for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
tron@2470: 		te->string_id = INVALID_STRING_ID;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void DrawTextEffects(DrawPixelInfo *dpi)
truelight@0: {
tron@4469: 	const TextEffect* te;
truelight@0: 
tron@4469: 	switch (dpi->zoom) {
tron@4469: 		case 0:
tron@4469: 			for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
tron@4469: 				if (te->string_id != INVALID_STRING_ID &&
tron@4469: 						dpi->left <= te->right &&
tron@4469: 						dpi->top  <= te->bottom &&
tron@4469: 						dpi->left + dpi->width  > te->x &&
tron@4469: 						dpi->top  + dpi->height > te->y) {
tron@5026: 					AddStringToDraw(te->x, te->y, te->string_id, te->params_1, te->params_2);
tron@4469: 				}
tron@4469: 			}
tron@4469: 			break;
truelight@0: 
tron@4469: 		case 1:
tron@4469: 			for (te = _text_effect_list; te != endof(_text_effect_list); te++) {
tron@4469: 				if (te->string_id != INVALID_STRING_ID &&
tron@4469: 						dpi->left <= te->right  * 2 - te->x &&
tron@4469: 						dpi->top  <= te->bottom * 2 - te->y &&
tron@4469: 						dpi->left + dpi->width  > te->x &&
tron@4469: 						dpi->top  + dpi->height > te->y) {
tron@5026: 					AddStringToDraw(te->x, te->y, (StringID)(te->string_id-1), te->params_1, te->params_2);
tron@4469: 				}
tron@4469: 			}
tron@4469: 			break;
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1977: void DeleteAnimatedTile(TileIndex tile)
truelight@0: {
tron@2549: 	TileIndex* ti;
truelight@0: 
tron@2549: 	for (ti = _animated_tile_list; ti != endof(_animated_tile_list); ti++) {
tron@1977: 		if (tile == *ti) {
truelight@0: 			/* remove the hole */
tron@2549: 			memmove(ti, ti + 1, endof(_animated_tile_list) - 1 - ti);
truelight@0: 			/* and clear last item */
truelight@0: 			endof(_animated_tile_list)[-1] = 0;
truelight@0: 			MarkTileDirtyByTile(tile);
truelight@0: 			return;
truelight@193: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1977: bool AddAnimatedTile(TileIndex tile)
truelight@0: {
tron@2549: 	TileIndex* ti;
truelight@0: 
tron@2549: 	for (ti = _animated_tile_list; ti != endof(_animated_tile_list); ti++) {
tron@1977: 		if (tile == *ti || *ti == 0) {
truelight@0: 			*ti = tile;
truelight@0: 			MarkTileDirtyByTile(tile);
truelight@0: 			return true;
truelight@0: 		}
truelight@193: 	}
truelight@0: 
truelight@0: 	return false;
truelight@0: }
truelight@0: 
tron@1093: void AnimateAnimatedTiles(void)
truelight@0: {
tron@2549: 	const TileIndex* ti;
truelight@0: 
tron@2549: 	for (ti = _animated_tile_list; ti != endof(_animated_tile_list) && *ti != 0; ti++) {
tron@2549: 		AnimateTile(*ti);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@1093: void InitializeAnimatedTiles(void)
truelight@0: {
truelight@0: 	memset(_animated_tile_list, 0, sizeof(_animated_tile_list));
truelight@0: }
truelight@0: 
tron@1093: static void SaveLoad_ANIT(void)
truelight@0: {
truelight@2685: 	// In pre version 6, we has 16bit per tile, now we have 32bit per tile, convert it ;)
truelight@2685: 	if (CheckSavegameVersion(6)) {
Darkvater@1881: 		SlArray(_animated_tile_list, lengthof(_animated_tile_list), SLE_FILE_U16 | SLE_VAR_U32);
tron@2549: 	} else {
tron@1174: 		SlArray(_animated_tile_list, lengthof(_animated_tile_list), SLE_UINT32);
tron@2549: 	}
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: const ChunkHandler _animated_tile_chunk_handlers[] = {
truelight@0: 	{ 'ANIT', SaveLoad_ANIT, SaveLoad_ANIT, CH_RIFF | CH_LAST},
truelight@0: };