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compile multiple versions of draw RLE sprite

This commit is contained in:
IntelOrca 2016-02-19 23:41:03 +00:00
parent 4617a52e53
commit 3edc5c6f0a
6 changed files with 203 additions and 131 deletions
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1
openrct2.vcxproj
View File

@ -37,6 +37,7 @@
<ClCompile Include="src\cursors.c" />
<ClCompile Include="src\diagnostic.c" />
<ClCompile Include="src\drawing\drawing.c" />
<ClCompile Include="src\drawing\drawing_fast.cpp" />
<ClCompile Include="src\drawing\font.c" />
<ClCompile Include="src\drawing\line.c" />
<ClCompile Include="src\drawing\rain.c" />

3
openrct2.vcxproj.filters
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@ -581,6 +581,9 @@
</ClCompile>
<ClCompile Include="src\core\Json.cpp" />
<ClCompile Include="src\windows\themes.c" />
<ClCompile Include="src\drawing\drawing_fast.cpp">
<Filter>Source\Drawing</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="src\management\award.h">

2
src/drawing/drawing.c
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@ -537,7 +537,7 @@ void gfx_draw_pickedup_peep()
*
* rct2: 0x00681DE2
*/
void gfx_draw_sprite_raw_masked(rct_drawpixelinfo *dpi, int x, int y, int maskImage, int colourImage)
void __fastcall gfx_draw_sprite_raw_masked(rct_drawpixelinfo *dpi, int x, int y, int maskImage, int colourImage)
{
int left, top, right, bottom, width, height;
rct_g1_element *imgMask = &g1Elements[maskImage & 0x7FFFF];

10
src/drawing/drawing.h
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@ -123,11 +123,11 @@ int gfx_load_g2();
void gfx_unload_g1();
void gfx_unload_g2();
void sub_68371D();
void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, uint8* source_pointer, uint8* dest_pointer, rct_g1_element* source_image, rct_drawpixelinfo *dest_dpi, int height, int width, int image_type);
void gfx_rle_sprite_to_buffer(const uint8* source_bits_pointer, uint8* dest_bits_pointer, const uint8* palette_pointer, const rct_drawpixelinfo *dpi, int image_type, int source_y_start, int height, int source_x_start, int width);
void gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint32 tertiary_colour);
void gfx_draw_sprite_palette_set(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint8* palette_pointer, uint8* unknown_pointer);
void gfx_draw_sprite_raw_masked(rct_drawpixelinfo *dpi, int x, int y, int maskImage, int colourImage);
void __fastcall gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, uint8* source_pointer, uint8* dest_pointer, rct_g1_element* source_image, rct_drawpixelinfo *dest_dpi, int height, int width, int image_type);
void __fastcall gfx_rle_sprite_to_buffer(const uint8* source_bits_pointer, uint8* dest_bits_pointer, const uint8* palette_pointer, const rct_drawpixelinfo *dpi, int image_type, int source_y_start, int height, int source_x_start, int width);
void __fastcall gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint32 tertiary_colour);
void __fastcall gfx_draw_sprite_palette_set(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint8* palette_pointer, uint8* unknown_pointer);
void __fastcall gfx_draw_sprite_raw_masked(rct_drawpixelinfo *dpi, int x, int y, int maskImage, int colourImage);
// string
int clip_text(char *buffer, int width);

190
src/drawing/drawing_fast.cpp Normal file
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@ -0,0 +1,190 @@
extern "C"
{
#include "drawing.h"
}
template<int image_type, int zoom_level>
static void __fastcall DrawRLESprite2(const uint8* source_bits_pointer,
uint8* dest_bits_pointer,
const uint8* palette_pointer,
const rct_drawpixelinfo *dpi,
int source_y_start,
int height,
int source_x_start,
int width)
{
int zoom_amount = 1 << zoom_level;
int zoom_mask = 0xFFFFFFFF << zoom_level;
uint8* next_dest_pointer = dest_bits_pointer;
int line_width = (dpi->width >> zoom_level) + dpi->pitch;
if (source_y_start < 0) {
source_y_start += zoom_amount;
next_dest_pointer += line_width;
height -= zoom_amount;
}
//For every line in the image
for (int y = source_y_start; y < (height + source_y_start); y += zoom_amount) {
//The first part of the source pointer is a list of offsets to different lines
//This will move the pointer to the correct source line.
const uint8 *next_source_pointer = source_bits_pointer + ((uint16*)source_bits_pointer)[y];
uint8 last_data_line = 0;
//For every data section in the line
while (!last_data_line) {
const uint8* source_pointer = next_source_pointer;
uint8* dest_pointer = next_dest_pointer;
int no_pixels = *source_pointer++;
//gap_size is the number of non drawn pixels you require to
//jump over on your destination
uint8 gap_size = *source_pointer++;
//The last bit in no_pixels tells you if you have reached the end of a line
last_data_line = no_pixels & 0x80;
//Clear the last data line bit so we have just the no_pixels
no_pixels &= 0x7f;
//Have our next source pointer point to the next data section
next_source_pointer = source_pointer + no_pixels;
//Calculates the start point of the image
int x_start = gap_size - source_x_start;
if (x_start & ~zoom_mask) {
no_pixels -= (x_start&~zoom_mask);
x_start += ~zoom_mask;
source_pointer += (x_start&~zoom_mask);
if (no_pixels <= 0) continue;
}
if (x_start > 0) {
//Since the start is positive
//We need to move the drawing surface to the correct position
dest_pointer += x_start >> zoom_level;
} else {
//If the start is negative we require to remove part of the image.
//This is done by moving the image pointer to the correct position.
source_pointer -= x_start;
//The no_pixels will be reduced in this operation
no_pixels += x_start;
//If there are no pixels there is nothing to draw this data section
if (no_pixels <= 0) continue;
//Reset the start position to zero as we have taken into account all moves
x_start = 0;
}
int x_end = x_start + no_pixels;
//If the end position is further out than the whole image
//end position then we need to shorten the line again
if (x_end > width) {
//Shorten the line
no_pixels -= x_end - width;
//If there are no pixels there is nothing to draw.
if (no_pixels <= 0) continue;
}
//Finally after all those checks, copy the image onto the drawing surface
//If the image type is not a basic one we require to mix the pixels
if (image_type & IMAGE_TYPE_USE_PALETTE) {//In the .exe these are all unraveled loops
for (; no_pixels > 0; no_pixels -= zoom_amount, source_pointer += zoom_amount, dest_pointer++) {
uint8 al = *source_pointer;
uint8 ah = *dest_pointer;
if (image_type & IMAGE_TYPE_MIX_BACKGROUND)
al = palette_pointer[(((uint16)al << 8) | ah) - 0x100];
else
al = palette_pointer[al];
*dest_pointer = al;
}
} else if (image_type & IMAGE_TYPE_MIX_BACKGROUND) {//In the .exe these are all unraveled loops
//Doesnt use source pointer ??? mix with background only?
//Not Tested
for (; no_pixels > 0; no_pixels -= zoom_amount, dest_pointer++) {
uint8 pixel = *dest_pointer;
pixel = palette_pointer[pixel];
*dest_pointer = pixel;
}
} else
{
if (zoom_amount == 1) {
memcpy(dest_pointer, source_pointer, no_pixels);
} else {
for (; no_pixels > 0; no_pixels -= zoom_amount, source_pointer += zoom_amount, dest_pointer++) {
*dest_pointer = *source_pointer;
}
}
}
}
//Add a line to the drawing surface pointer
next_dest_pointer += line_width;
}
}
#define DrawRLESpriteHelper2(image_type, zoom_level) \
DrawRLESprite2<image_type, zoom_level>(source_bits_pointer, dest_bits_pointer, palette_pointer, dpi, source_y_start, height, source_x_start, width)
template<int image_type>
static void __fastcall DrawRLESprite1(const uint8* source_bits_pointer,
uint8* dest_bits_pointer,
const uint8* palette_pointer,
const rct_drawpixelinfo *dpi,
int source_y_start,
int height,
int source_x_start,
int width)
{
int zoom_level = dpi->zoom_level;
switch (zoom_level) {
case 0: DrawRLESpriteHelper2(image_type, 0); break;
case 1: DrawRLESpriteHelper2(image_type, 1); break;
case 2: DrawRLESpriteHelper2(image_type, 2); break;
case 3: DrawRLESpriteHelper2(image_type, 3); break;
default: assert(false); break;
}
}
#define DrawRLESpriteHelper1(image_type) \
DrawRLESprite1<image_type>(source_bits_pointer, dest_bits_pointer, palette_pointer, dpi, source_y_start, height, source_x_start, width)
extern "C"
{
/**
* Transfers readied images onto buffers
* This function copies the sprite data onto the screen
* rct2: 0x0067AA18
*/
void __fastcall gfx_rle_sprite_to_buffer(const uint8* source_bits_pointer,
uint8* dest_bits_pointer,
const uint8* palette_pointer,
const rct_drawpixelinfo *dpi,
int image_type,
int source_y_start,
int height,
int source_x_start,
int width)
{
if (image_type & IMAGE_TYPE_USE_PALETTE)
{
if (image_type & IMAGE_TYPE_MIX_BACKGROUND)
{
DrawRLESpriteHelper1(IMAGE_TYPE_USE_PALETTE | IMAGE_TYPE_MIX_BACKGROUND);
}
else
{
DrawRLESpriteHelper1(IMAGE_TYPE_USE_PALETTE);
}
}
else if (image_type & IMAGE_TYPE_MIX_BACKGROUND)
{
DrawRLESpriteHelper1(IMAGE_TYPE_MIX_BACKGROUND);
}
else
{
DrawRLESpriteHelper1(0);
}
}
}

128
src/drawing/sprite.c
View File

@ -142,7 +142,7 @@ void sub_68371D()
* image.
* rct2: 0x0067A690
*/
void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, uint8* source_pointer, uint8* dest_pointer, rct_g1_element* source_image, rct_drawpixelinfo *dest_dpi, int height, int width, int image_type){
void __fastcall gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, uint8* source_pointer, uint8* dest_pointer, rct_g1_element* source_image, rct_drawpixelinfo *dest_dpi, int height, int width, int image_type){
uint16 zoom_level = dest_dpi->zoom_level;
uint8 zoom_amount = 1 << zoom_level;
uint32 dest_line_width = (dest_dpi->width / zoom_amount) + dest_dpi->pitch;
@ -270,128 +270,6 @@ void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, ui
return;
}
/**
* Transfers readied images onto buffers
* This function copies the sprite data onto the screen
* rct2: 0x0067AA18
*/
void gfx_rle_sprite_to_buffer(const uint8* source_bits_pointer, uint8* dest_bits_pointer, const uint8* palette_pointer, const rct_drawpixelinfo *dpi, int image_type, int source_y_start, int height, int source_x_start, int width){
int zoom_level = dpi->zoom_level;
int zoom_amount = 1 << zoom_level;
int zoom_mask = 0xFFFFFFFF << zoom_level;
uint8* next_dest_pointer = dest_bits_pointer;
int line_width = (dpi->width >> zoom_level) + dpi->pitch;
if (source_y_start < 0){
source_y_start += zoom_amount;
next_dest_pointer += line_width;
height -= zoom_amount;
}
//For every line in the image
for (int y = source_y_start; y < (height + source_y_start); y += zoom_amount){
//The first part of the source pointer is a list of offsets to different lines
//This will move the pointer to the correct source line.
const uint8 *next_source_pointer = source_bits_pointer + ((uint16*)source_bits_pointer)[y];
uint8 last_data_line = 0;
//For every data section in the line
while (!last_data_line){
const uint8* source_pointer = next_source_pointer;
uint8* dest_pointer = next_dest_pointer;
int no_pixels = *source_pointer++;
//gap_size is the number of non drawn pixels you require to
//jump over on your destination
uint8 gap_size = *source_pointer++;
//The last bit in no_pixels tells you if you have reached the end of a line
last_data_line = no_pixels & 0x80;
//Clear the last data line bit so we have just the no_pixels
no_pixels &= 0x7f;
//Have our next source pointer point to the next data section
next_source_pointer = source_pointer + no_pixels;
//Calculates the start point of the image
int x_start = gap_size - source_x_start;
if (x_start & ~zoom_mask){
no_pixels -= (x_start&~zoom_mask);
x_start += ~zoom_mask;
source_pointer += (x_start&~zoom_mask);
if (no_pixels <= 0) continue;
}
if (x_start > 0){
//Since the start is positive
//We need to move the drawing surface to the correct position
dest_pointer += x_start >> zoom_level;
}
else{
//If the start is negative we require to remove part of the image.
//This is done by moving the image pointer to the correct position.
source_pointer -= x_start;
//The no_pixels will be reduced in this operation
no_pixels += x_start;
//If there are no pixels there is nothing to draw this data section
if (no_pixels <= 0) continue;
//Reset the start position to zero as we have taken into account all moves
x_start = 0;
}
int x_end = x_start + no_pixels;
//If the end position is further out than the whole image
//end position then we need to shorten the line again
if (x_end > width){
//Shorten the line
no_pixels -= x_end - width;
//If there are no pixels there is nothing to draw.
if (no_pixels <= 0) continue;
}
//Finally after all those checks, copy the image onto the drawing surface
//If the image type is not a basic one we require to mix the pixels
if (image_type & IMAGE_TYPE_USE_PALETTE){//In the .exe these are all unraveled loops
for (; no_pixels > 0; no_pixels -= zoom_amount, source_pointer += zoom_amount, dest_pointer++){
uint8 al = *source_pointer;
uint8 ah = *dest_pointer;
if (image_type & IMAGE_TYPE_MIX_BACKGROUND)
al = palette_pointer[(((uint16)al << 8) | ah) - 0x100];
else
al = palette_pointer[al];
*dest_pointer = al;
}
}
else if (image_type & IMAGE_TYPE_MIX_BACKGROUND){//In the .exe these are all unraveled loops
//Doesnt use source pointer ??? mix with background only?
//Not Tested
for (; no_pixels > 0; no_pixels -= zoom_amount, dest_pointer++){
uint8 pixel = *dest_pointer;
pixel = palette_pointer[pixel];
*dest_pointer = pixel;
}
}
else
{
if (zoom_amount == 1) {
memcpy(dest_pointer, source_pointer, no_pixels);
}
else {
for (; no_pixels > 0; no_pixels -= zoom_amount, source_pointer += zoom_amount, dest_pointer++) {
*dest_pointer = *source_pointer;
}
}
}
}
//Add a line to the drawing surface pointer
next_dest_pointer += line_width;
}
}
/**
*
* rct2: 0x0067A28E
@ -408,7 +286,7 @@ void gfx_rle_sprite_to_buffer(const uint8* source_bits_pointer, uint8* dest_bits
* dpi (esi)
* tertiary_colour (ebp)
*/
void gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint32 tertiary_colour)
void __fastcall gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint32 tertiary_colour)
{
int image_type = (image_id & 0xE0000000) >> 28;
int image_sub_type = (image_id & 0x1C000000) >> 26;
@ -488,7 +366,7 @@ void gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint32
* x (cx)
* y (dx)
*/
void gfx_draw_sprite_palette_set(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint8* palette_pointer, uint8* unknown_pointer)
void __fastcall gfx_draw_sprite_palette_set(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint8* palette_pointer, uint8* unknown_pointer)
{
int image_element = image_id & 0x7FFFF;
int image_type = (image_id & 0xE0000000) >> 28;