mirror of https://github.com/OpenRCT2/OpenRCT2.git
commit
b95d3b4375
111
src/gfx.c
111
src/gfx.c
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@ -690,6 +690,7 @@ void gfx_fill_rect_inset(rct_drawpixelinfo* dpi, short left, short top, short ri
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*/
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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){
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uint8 zoom_level = dest_dpi->zoom_level;
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uint8 zoom_amount = 1 << zoom_level;
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//Requires use of palette?
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if (image_type & IMAGE_TYPE_USE_PALETTE){
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@ -697,12 +698,12 @@ void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, ui
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if (unknown_pointer!= NULL){ //Not tested. I can't actually work out when this code runs.
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unknown_pointer += source_pointer - source_image->offset;// RCT2_GLOBAL(0x9E3CE0, uint32);
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for (; height > 0; height -= (1<<zoom_level)){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width << zoom_level);
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uint8* next_unknown_pointer = unknown_pointer + (uint32)(source_image->width << zoom_level);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width >> zoom_level) + dest_dpi->pitch;
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for (; height > 0; height -= zoom_amount){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width * zoom_amount);
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uint8* next_unknown_pointer = unknown_pointer + (uint32)(source_image->width * zoom_amount);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width / zoom_amount) + dest_dpi->pitch;
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for (int no_pixels = width; no_pixels > 0; no_pixels -= (1<<zoom_level), source_pointer+=(1<<zoom_level), unknown_pointer+=(1<<zoom_level), dest_pointer++){
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for (int no_pixels = width; no_pixels > 0; no_pixels -= zoom_amount, source_pointer += zoom_amount, unknown_pointer += zoom_amount, dest_pointer++){
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uint8 pixel = *source_pointer;
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pixel = palette_pointer[pixel];
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pixel &= *unknown_pointer;
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@ -718,10 +719,10 @@ void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, ui
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}
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//image colour adjusted?
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for (; height > 0; height -= (1<<zoom_level)){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width<<zoom_level);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width >> zoom_level) + dest_dpi->pitch;
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for (int no_pixels = width; no_pixels > 0; no_pixels -= (1<<zoom_level), source_pointer+= (1<<zoom_level), dest_pointer++){
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for (; height > 0; height -= zoom_amount){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width * zoom_amount);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width / zoom_amount) + dest_dpi->pitch;
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for (int no_pixels = width; no_pixels > 0; no_pixels -= zoom_amount, source_pointer += zoom_amount, dest_pointer++){
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uint8 pixel = *source_pointer;
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pixel = palette_pointer[pixel];
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if (pixel){
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@ -738,11 +739,11 @@ void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, ui
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//Mix with background. It only uses source pointer for
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//telling if it needs to be drawn not for colour.
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if (image_type & IMAGE_TYPE_MIX_BACKGROUND){//Not tested
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for (; height > 0; height -= (1<<zoom_level)){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width << zoom_level);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width >> zoom_level) + dest_dpi->pitch;
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for (; height > 0; height -= zoom_amount){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width * zoom_amount);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width / zoom_amount) + dest_dpi->pitch;
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for (int no_pixels = width; no_pixels > 0; no_pixels -= (1<<zoom_level), source_pointer += (1<<zoom_level), dest_pointer++){
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for (int no_pixels = width; no_pixels > 0; no_pixels -= zoom_amount, source_pointer += zoom_amount, dest_pointer++){
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uint8 pixel = *source_pointer;
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if (pixel){
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pixel = *dest_pointer;
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@ -759,11 +760,11 @@ void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, ui
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//Basic bitmap no fancy stuff
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if (!(source_image->flags & G1_FLAG_BMP)){//Not tested
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for (; height > 0; height-=(1<<zoom_level)){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width << zoom_level);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width >> zoom_level) + dest_dpi->pitch;
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for (; height > 0; height -= zoom_amount){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width * zoom_amount);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width / zoom_amount) + dest_dpi->pitch;
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for (int no_pixels = width; no_pixels > 0; no_pixels -= (1<<zoom_level), dest_pointer++, source_pointer += (1<<zoom_level)){
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for (int no_pixels = width; no_pixels > 0; no_pixels -= zoom_amount, dest_pointer++, source_pointer += zoom_amount){
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*dest_pointer = *source_pointer;
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}
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@ -776,12 +777,12 @@ void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, ui
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if (RCT2_GLOBAL(0x9E3CDC, uint32) != 0){//Not tested. I can't actually work out when this code runs.
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unknown_pointer += source_pointer - source_image->offset;
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for (; height > 0; height -= (1<<zoom_level)){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width << zoom_level);
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uint8* next_unknown_pointer = unknown_pointer + (uint32)(source_image->width << zoom_level);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width >> zoom_level) + dest_dpi->pitch;
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for (; height > 0; height -= zoom_amount){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width * zoom_amount);
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uint8* next_unknown_pointer = unknown_pointer + (uint32)(source_image->width * zoom_amount);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width / zoom_amount) + dest_dpi->pitch;
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for (int no_pixels = width; no_pixels > 0; no_pixels -= (1<<zoom_level), dest_pointer++, source_pointer += (1<<zoom_level), unknown_pointer += (1<<zoom_level)){
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for (int no_pixels = width; no_pixels > 0; no_pixels -= zoom_amount, dest_pointer++, source_pointer += zoom_amount, unknown_pointer += zoom_amount){
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uint8 pixel = *source_pointer;
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pixel &= *unknown_pointer;
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if (pixel){
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@ -795,11 +796,11 @@ void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, ui
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}
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//Basic bitmap with no draw pixels
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for (; height > 0; height -= (1<<zoom_level)){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width << zoom_level);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width >> zoom_level) + dest_dpi->pitch;
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for (; height > 0; height -= zoom_amount){
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uint8* next_source_pointer = source_pointer + (uint32)(source_image->width * zoom_amount);
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uint8* next_dest_pointer = dest_pointer + (dest_dpi->width / zoom_amount) + dest_dpi->pitch;
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for (int no_pixels = width; no_pixels > 0; no_pixels -= (1<<zoom_level), dest_pointer++, source_pointer += (1<<zoom_level)){
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for (int no_pixels = width; no_pixels > 0; no_pixels -= zoom_amount, dest_pointer++, source_pointer += zoom_amount){
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uint8 pixel = *source_pointer;
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if (pixel){
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*dest_pointer = pixel;
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@ -818,11 +819,12 @@ void gfx_bmp_sprite_to_buffer(uint8* palette_pointer, uint8* unknown_pointer, ui
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*/
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void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_pointer, uint8* palette_pointer, rct_drawpixelinfo *dpi, int image_type, int source_y_start, int height, int source_x_start, int width){
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int zoom_level = dpi->zoom_level;
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int zoom_amount = 1 << zoom_level;
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uint8* next_source_pointer;
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uint8* next_dest_pointer = dest_bits_pointer;
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//For every line in the image
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for (int y = source_y_start; y < (height + source_y_start); y += (1<<zoom_level)){
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for (int y = source_y_start; y < (height + source_y_start); y += zoom_amount){
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//The first part of the source pointer is a list of offsets to different lines
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//This will move the pointer to the correct source line.
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@ -852,7 +854,7 @@ void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_point
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if (x_start > 0){
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//Since the start is positive
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//We need to move the drawing surface to the correct position
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dest_pointer += x_start >> zoom_level;
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dest_pointer += x_start / zoom_amount;
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}
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else{
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//If the start is negative we require to remove part of the image.
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@ -879,7 +881,7 @@ void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_point
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//Finally after all those checks, copy the image onto the drawing surface
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//If the image type is not a basic one we require to mix the pixels
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if (image_type & IMAGE_TYPE_USE_PALETTE){//In the .exe these are all unraveled loops
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for (; no_pixels > 0; no_pixels -= (1<<zoom_level), source_pointer += (1<<zoom_level), dest_pointer++){
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for (; no_pixels > 0; no_pixels -= zoom_amount, source_pointer += zoom_amount, dest_pointer++){
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uint8 al = *source_pointer;
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uint8 ah = *dest_pointer;
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if (image_type & IMAGE_TYPE_MIX_BACKGROUND)
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@ -893,7 +895,7 @@ void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_point
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//Doesnt use source pointer ??? mix with background only?
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//Not Tested
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for (; no_pixels > 0; no_pixels -= (1<<zoom_level), dest_pointer++){
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for (; no_pixels > 0; no_pixels -= zoom_amount, dest_pointer++){
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uint8 pixel = *dest_pointer;
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pixel = palette_pointer[pixel];
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*dest_pointer = pixel;
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@ -901,14 +903,14 @@ void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_point
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}
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else
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{
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for (; no_pixels > 0; no_pixels -= (1<<zoom_level), source_pointer += (1<<zoom_level), dest_pointer++){
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for (; no_pixels > 0; no_pixels -= zoom_amount, source_pointer += zoom_amount, dest_pointer++){
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*dest_pointer = *source_pointer;
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}
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}
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}
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//Add a line to the drawing surface pointer
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next_dest_pointer += (int)(dpi->width >> zoom_level) + (int)dpi->pitch;
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next_dest_pointer += dpi->width / zoom_amount + dpi->pitch;
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}
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}
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@ -1022,7 +1024,7 @@ void gfx_draw_sprite_palette_set(rct_drawpixelinfo *dpi, int image_id, int x, in
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rct_g1_element* g1_source = &(RCT2_ADDRESS(RCT2_ADDRESS_G1_ELEMENTS, rct_g1_element)[image_element]);
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//Zooming code has been integrated into main code but is not working.
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//Zooming code has been integrated into main code.
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//if (dpi->zoom_level >= 1){ //These have not been tested
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// //something to do with zooming
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// if (dpi->zoom_level == 1){
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@ -1053,17 +1055,19 @@ void gfx_draw_sprite_palette_set(rct_drawpixelinfo *dpi, int image_id, int x, in
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if ( dpi->zoom_level && (g1_source->flags & (1<<5)) ){
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return;
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}
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//Its used super often so we will define it to a seperate variable.
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int zoom_level = dpi->zoom_level;
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uint16 zoom_mask = 0xFFFF << zoom_level;
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int zoom_amount = 1 << zoom_level;
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int zoom_mask = 0xFFFFFFFF << zoom_level;
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//This will be the height of the drawn image
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int height = g1_source->height >> zoom_level;
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int height = g1_source->height;
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//This is the start y coordinate on the destination
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sint16 dest_start_y = ((sint16)y + g1_source->y_offset - dpi->y) >> zoom_level;
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sint16 dest_start_y = ((y + g1_source->y_offset)&zoom_mask) - dpi->y;
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//This is the start y coordinate on the source
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int source_start_y = 0;
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if (dest_start_y < 0){
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//If the destination y is negative reduce the height of the
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//image as we will cut off the bottom
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@ -1073,29 +1077,31 @@ void gfx_draw_sprite_palette_set(rct_drawpixelinfo *dpi, int image_id, int x, in
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return;
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}
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//The source image will start a further up the image
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source_start_y -= dest_start_y<<zoom_level;
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source_start_y -= dest_start_y;
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//The destination start is now reset to 0
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dest_start_y = 0;
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}
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int dest_end_y = dest_start_y + height;
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if (dest_end_y > (dpi->height >> zoom_level)){
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if (dest_end_y > dpi->height){
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//If the destination y is outside of the drawing
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//image reduce the height of the image
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height -= dest_end_y - (dpi->height >> zoom_level);
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height -= dest_end_y - dpi->height;
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}
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//If the image no longer has anything to draw
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if (height <= 0)return;
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dest_start_y /= zoom_amount;
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dest_end_y /= zoom_amount;
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//This will be the width of the drawn image
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int width = g1_source->width >> zoom_level;
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int width = g1_source->width;
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//This is the source start x coordinate
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int source_start_x = 0;
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//This is the destination start x coordinate
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sint16 dest_start_x = ((sint16)x + g1_source->x_offset - dpi->x) >> zoom_level;
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sint16 dest_start_x = ((x + g1_source->x_offset) & zoom_mask) - dpi->x;
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if (dest_start_x < 0){
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//If the destination is negative reduce the width
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//image will cut off the side
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@ -1105,29 +1111,28 @@ void gfx_draw_sprite_palette_set(rct_drawpixelinfo *dpi, int image_id, int x, in
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return;
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}
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//The source start will also need to cut off the side
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source_start_x -= dest_start_x<<zoom_level;
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source_start_x -= dest_start_x;
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//Reset the destination to 0
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dest_start_x = 0;
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}
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int dest_end_x = dest_start_x + width;
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if (dest_end_x > (dpi->width>>zoom_level)){
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if (dest_end_x > dpi->width){
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//If the destination x is outside of the drawing area
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//reduce the image width.
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width -= dest_end_x - (dpi->width >> zoom_level);
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width -= dest_end_x - dpi->width;
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//If there is no image to draw.
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if (width <= 0)return;
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}
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dest_start_x /= zoom_amount;
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dest_end_x /= zoom_amount;
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uint8* dest_pointer = (uint8*)dpi->bits;
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//Move the pointer to the start point of the destination
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dest_pointer += ((dpi->width >> zoom_level) + dpi->pitch)*dest_start_y + dest_start_x;
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height <<= zoom_level;
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width <<= zoom_level;
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dest_pointer += ((dpi->width / zoom_amount) + dpi->pitch)*dest_start_y + dest_start_x;
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if (g1_source->flags & G1_FLAG_RLE_COMPRESSION){
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//We have to use a different method to move the source pointer for
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//rle encoded sprites so that will be handled within this function
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