author | richk |
Sat, 14 Jul 2007 19:42:58 +0000 | |
branch | NewGRF_ports |
changeset 6720 | 35756db7e577 |
child 6870 | ca3fd1fbe311 |
permissions | -rw-r--r-- |
6720
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1 |
#include "../stdafx.h" |
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2 |
#include "../zoom.hpp" |
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3 |
#include "../gfx.h" |
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4 |
#include "../debug.h" |
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5 |
#include "../table/sprites.h" |
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6 |
#include "../video/video_driver.hpp" |
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7 |
#include "32bpp_anim.hpp" |
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8 |
|
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9 |
static FBlitter_32bppAnim iFBlitter_32bppAnim; |
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10 |
|
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11 |
void Blitter_32bppAnim::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) |
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12 |
{ |
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13 |
const SpriteLoader::CommonPixel *src, *src_line; |
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14 |
uint32 *dst, *dst_line; |
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15 |
uint8 *anim, *anim_line; |
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16 |
|
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17 |
if (_screen.width != this->anim_buf_width || _screen.height != this->anim_buf_height) { |
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18 |
/* The size of the screen changed; we can assume we can wipe all data from our buffer */ |
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19 |
free(this->anim_buf); |
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20 |
this->anim_buf = CallocT<uint8>(_screen.width * _screen.height); |
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21 |
this->anim_buf_width = _screen.width; |
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22 |
this->anim_buf_height = _screen.height; |
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23 |
} |
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24 |
|
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25 |
/* Find where to start reading in the source sprite */ |
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26 |
src_line = (const SpriteLoader::CommonPixel *)bp->sprite + (bp->skip_top * bp->sprite_width + bp->skip_left) * ScaleByZoom(1, zoom); |
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27 |
dst_line = (uint32 *)bp->dst + bp->top * bp->pitch + bp->left; |
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28 |
anim_line = this->anim_buf + ((uint32 *)bp->dst - (uint32 *)_screen.dst_ptr) + bp->top * this->anim_buf_width + bp->left; |
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29 |
|
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30 |
for (int y = 0; y < bp->height; y++) { |
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31 |
dst = dst_line; |
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32 |
dst_line += bp->pitch; |
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33 |
|
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34 |
src = src_line; |
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35 |
src_line += bp->sprite_width * ScaleByZoom(1, zoom); |
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36 |
|
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37 |
anim = anim_line; |
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38 |
anim_line += this->anim_buf_width; |
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39 |
|
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40 |
for (int x = 0; x < bp->width; x++) { |
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41 |
switch (mode) { |
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42 |
case BM_COLOUR_REMAP: |
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43 |
/* In case the m-channel is zero, do not remap this pixel in any way */ |
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44 |
if (src->m == 0) { |
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45 |
if (src->a != 0) *dst = ComposeColourRGBA(src->r, src->g, src->b, src->a, *dst); |
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46 |
*anim = 0; |
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47 |
} else { |
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48 |
if (bp->remap[src->m] != 0) { |
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49 |
*dst = ComposeColourPA(this->LookupColourInPalette(bp->remap[src->m]), src->a, *dst); |
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50 |
*anim = bp->remap[src->m]; |
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51 |
} |
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52 |
} |
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53 |
break; |
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54 |
|
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55 |
case BM_TRANSPARENT: |
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56 |
/* TODO -- We make an assumption here that the remap in fact is transparency, not some color. |
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57 |
* This is never a problem with the code we produce, but newgrfs can make it fail... or at least: |
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58 |
* we produce a result the newgrf maker didn't expect ;) */ |
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59 |
|
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60 |
/* Make the current color a bit more black, so it looks like this image is transparent */ |
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61 |
if (src->a != 0) { |
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62 |
*dst = MakeTransparent(*dst, 75); |
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63 |
*anim = bp->remap[*anim]; |
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64 |
} |
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65 |
break; |
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66 |
|
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67 |
default: |
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68 |
if (src->a != 0) { |
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69 |
/* Above 217 is palette animation */ |
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70 |
if (src->m >= 217) *dst = ComposeColourPA(this->LookupColourInPalette(src->m), src->a, *dst); |
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71 |
else *dst = ComposeColourRGBA(src->r, src->g, src->b, src->a, *dst); |
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72 |
*anim = src->m; |
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73 |
} |
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74 |
break; |
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75 |
} |
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76 |
dst++; |
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77 |
anim++; |
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78 |
src += ScaleByZoom(1, zoom); |
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79 |
} |
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80 |
} |
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81 |
} |
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82 |
|
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83 |
void Blitter_32bppAnim::DrawColorMappingRect(void *dst, int width, int height, int pal) |
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84 |
{ |
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85 |
uint32 *udst = (uint32 *)dst; |
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86 |
uint8 *anim; |
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87 |
|
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88 |
anim = this->anim_buf + ((uint32 *)dst - (uint32 *)_screen.dst_ptr); |
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89 |
|
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90 |
if (pal == PALETTE_TO_TRANSPARENT) { |
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91 |
do { |
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92 |
for (int i = 0; i != width; i++) { |
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93 |
*udst = MakeTransparent(*udst, 60); |
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94 |
*anim = 0; |
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95 |
udst++; |
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96 |
anim++; |
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97 |
} |
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98 |
udst = udst - width + _screen.pitch; |
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99 |
anim = anim - width + this->anim_buf_width; |
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100 |
} while (--height); |
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101 |
return; |
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102 |
} |
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103 |
if (pal == PALETTE_TO_STRUCT_GREY) { |
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104 |
do { |
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105 |
for (int i = 0; i != width; i++) { |
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106 |
*udst = MakeGrey(*udst); |
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107 |
*anim = 0; |
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108 |
udst++; |
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109 |
anim++; |
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110 |
} |
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111 |
udst = udst - width + _screen.pitch; |
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112 |
anim = anim - width + this->anim_buf_width; |
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113 |
} while (--height); |
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114 |
return; |
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|
115 |
} |
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116 |
|
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DEBUG(misc, 0, "32bpp blitter doesn't know how to draw this color table ('%d')", pal); |
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118 |
} |
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119 |
|
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120 |
void Blitter_32bppAnim::SetPixel(void *video, int x, int y, uint8 color) |
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121 |
{ |
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*((uint32 *)video + x + y * _screen.pitch) = LookupColourInPalette(color); |
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123 |
/* Set the color in the anim-buffer too */ |
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this->anim_buf[((uint32 *)video - (uint32 *)_screen.dst_ptr) + x + y * this->anim_buf_width] = color; |
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125 |
} |
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126 |
|
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void Blitter_32bppAnim::SetPixelIfEmpty(void *video, int x, int y, uint8 color) |
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128 |
{ |
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uint32 *dst = (uint32 *)video + x + y * _screen.pitch; |
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if (*dst == 0) { |
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*dst = LookupColourInPalette(color); |
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132 |
/* Set the color in the anim-buffer too */ |
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133 |
this->anim_buf[((uint32 *)video - (uint32 *)_screen.dst_ptr) + x + y * this->anim_buf_width] = color; |
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134 |
} |
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135 |
} |
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136 |
|
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137 |
void Blitter_32bppAnim::DrawRect(void *video, int width, int height, uint8 color) |
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138 |
{ |
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139 |
uint32 color32 = LookupColourInPalette(color); |
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140 |
uint8 *anim_line; |
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141 |
|
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anim_line = ((uint32 *)video - (uint32 *)_screen.dst_ptr) + this->anim_buf; |
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143 |
|
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144 |
do { |
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uint32 *dst = (uint32 *)video; |
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uint8 *anim = anim_line; |
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147 |
|
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148 |
for (int i = width; i > 0; i--) { |
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*dst = color32; |
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150 |
/* Set the color in the anim-buffer too */ |
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151 |
*anim = color; |
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152 |
dst++; |
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153 |
anim++; |
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154 |
} |
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video = (uint32 *)video + _screen.pitch; |
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156 |
anim_line += this->anim_buf_width; |
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} while (--height); |
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158 |
} |
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159 |
|
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160 |
void Blitter_32bppAnim::CopyFromBuffer(void *video, const void *src, int width, int height) |
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161 |
{ |
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162 |
assert(video >= _screen.dst_ptr && video <= (uint32 *)_screen.dst_ptr + _screen.width + _screen.height * _screen.pitch); |
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uint32 *dst = (uint32 *)video; |
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uint32 *usrc = (uint32 *)src; |
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165 |
uint8 *anim_line; |
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166 |
|
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167 |
anim_line = ((uint32 *)video - (uint32 *)_screen.dst_ptr) + this->anim_buf; |
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168 |
|
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169 |
for (; height > 0; height--) { |
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memcpy(dst, usrc, width * sizeof(uint32)); |
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171 |
usrc += width; |
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dst += _screen.pitch; |
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173 |
/* Copy back the anim-buffer */ |
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174 |
memcpy(anim_line, usrc, width * sizeof(uint8)); |
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usrc = (uint32 *)((uint8 *)usrc + width); |
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176 |
anim_line += this->anim_buf_width; |
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177 |
} |
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178 |
|
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179 |
/* We update the palette (or the pixels that do animation) immediatly, to avoid graphical glitches */ |
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180 |
this->PaletteAnimate(217, _use_dos_palette ? 38 : 28); |
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181 |
} |
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182 |
|
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183 |
void Blitter_32bppAnim::CopyToBuffer(const void *video, void *dst, int width, int height) |
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184 |
{ |
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185 |
assert(video >= _screen.dst_ptr && video <= (uint32 *)_screen.dst_ptr + _screen.width + _screen.height * _screen.pitch); |
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186 |
uint32 *udst = (uint32 *)dst; |
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187 |
uint32 *src = (uint32 *)video; |
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188 |
uint8 *anim_line; |
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189 |
|
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190 |
if (this->anim_buf == NULL) return; |
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191 |
|
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192 |
anim_line = ((uint32 *)video - (uint32 *)_screen.dst_ptr) + this->anim_buf; |
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193 |
|
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194 |
for (; height > 0; height--) { |
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195 |
memcpy(udst, src, width * sizeof(uint32)); |
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196 |
src += _screen.pitch; |
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197 |
udst += width; |
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198 |
/* Copy the anim-buffer */ |
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199 |
memcpy(udst, anim_line, width * sizeof(uint8)); |
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200 |
udst = (uint32 *)((uint8 *)udst + width); |
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201 |
anim_line += this->anim_buf_width; |
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202 |
} |
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203 |
} |
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204 |
|
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205 |
void Blitter_32bppAnim::ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y) |
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206 |
{ |
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207 |
uint8 *dst, *src; |
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208 |
|
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209 |
/* We need to scroll the anim-buffer too */ |
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210 |
if (scroll_y > 0) { |
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211 |
dst = this->anim_buf + left + (top + height - 1) * this->anim_buf_width; |
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212 |
src = dst - scroll_y * this->anim_buf_width; |
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213 |
|
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214 |
/* Adjust left & width */ |
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215 |
if (scroll_x >= 0) dst += scroll_x; |
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216 |
else src -= scroll_x; |
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217 |
|
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218 |
uint tw = width + (scroll_x >= 0 ? -scroll_x : scroll_x); |
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219 |
uint th = height - scroll_y; |
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220 |
for (; th > 0; th--) { |
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221 |
memcpy(dst, src, tw * sizeof(uint8)); |
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222 |
src -= this->anim_buf_width; |
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223 |
dst -= this->anim_buf_width; |
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224 |
} |
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225 |
} else { |
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226 |
/* Calculate pointers */ |
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227 |
dst = this->anim_buf + left + top * this->anim_buf_width; |
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228 |
src = dst - scroll_y * this->anim_buf_width; |
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229 |
|
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230 |
/* Adjust left & width */ |
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231 |
if (scroll_x >= 0) dst += scroll_x; |
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232 |
else src -= scroll_x; |
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/* the y-displacement may be 0 therefore we have to use memmove, |
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* because source and destination may overlap */ |
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uint tw = width + (scroll_x >= 0 ? -scroll_x : scroll_x); |
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uint th = height + scroll_y; |
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for (; th > 0; th--) { |
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memmove(dst, src, tw * sizeof(uint8)); |
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src += this->anim_buf_width; |
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dst += this->anim_buf_width; |
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} |
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} |
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Blitter_32bppBase::ScrollBuffer(video, left, top, width, height, scroll_x, scroll_y); |
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} |
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int Blitter_32bppAnim::BufferSize(int width, int height) |
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{ |
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return width * height * (sizeof(uint32) + sizeof(uint8)); |
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} |
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void Blitter_32bppAnim::PaletteAnimate(uint start, uint count) |
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{ |
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uint8 *anim = this->anim_buf; |
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/* Never repaint the transparency pixel */ |
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if (start == 0) start++; |
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/* Let's walk the anim buffer and try to find the pixels */ |
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for (int y = 0; y < this->anim_buf_height; y++) { |
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for (int x = 0; x < this->anim_buf_width; x++) { |
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if (*anim >= start && *anim <= start + count) { |
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/* Update this pixel */ |
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this->SetPixel(_screen.dst_ptr, x, y, *anim); |
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} |
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anim++; |
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} |
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} |
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/* Make sure the backend redraws the whole screen */ |
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_video_driver->MakeDirty(0, 0, _screen.width, _screen.height); |
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} |
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Blitter::PaletteAnimation Blitter_32bppAnim::UsePaletteAnimation() |
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{ |
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return Blitter::PALETTE_ANIMATION_BLITTER; |
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} |