X-Git-Url: https://eleni.mutantstargoat.com/git/?a=blobdiff_plain;f=src%2Fsdl%2Fgfx.cc;h=cd1a4a6dde592968f2ecaf88ced80536801338e9;hb=2985bfa49497805b4760c066a6288c4b3752d145;hp=84ab69033a6c0f187dcf504d255cdcf65d657b31;hpb=59cd3a77c4517e387f4c2e21e8b62a9017370116;p=winnie

diff --git a/src/sdl/gfx.cc b/src/sdl/gfx.cc
index 84ab690..cd1a4a6 100644
--- a/src/sdl/gfx.cc
+++ b/src/sdl/gfx.cc
@@ -2,16 +2,20 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <SDL/SDL.h>
+
 #include "gfx.h"
+#include "shalloc.h"
 
 static SDL_Surface *fbsurf;
 
-static Rect screen_rect = {0, 0, 1024, 768};
-static Rect clipping_rect;
-
-static int color_depth = 32; // bits per pixel
+struct Graphics {
+	Rect screen_rect;
+	Rect clipping_rect;
+	int color_depth; // bits per pixel
+	Pixmap *pixmap;
+};
 
-static Pixmap *pixmap;
+static Graphics *gfx;
 
 bool init_gfx()
 {
@@ -20,70 +24,122 @@ bool init_gfx()
 		return false;
 	}
 
-	if(!(fbsurf = SDL_SetVideoMode(screen_rect.width, screen_rect.height, color_depth, 0))) {
-		fprintf(stderr, "failed to set video mode\n");
+	if(!(gfx = (Graphics*)sh_malloc(sizeof *gfx))) {
+		return false;
+	}
+
+	Rect scr_rect = {0, 0, 1024, 768};
+	gfx->screen_rect = scr_rect;
+	gfx->color_depth = 32;
+
+	if(!(fbsurf = SDL_SetVideoMode(gfx->screen_rect.width, gfx->screen_rect.height, gfx->color_depth, 0))) {
+		fprintf(stderr, "Failed to set video mode\n");
 		return false;
 	}
 	SDL_ShowCursor(0);
 
-	pixmap = new Pixmap;
-	pixmap->width = screen_rect.width;
-	pixmap->height = screen_rect.height;
-	pixmap->pixels = (unsigned char*)fbsurf->pixels;
+	if(!(gfx->pixmap = (Pixmap*)sh_malloc(sizeof(Pixmap)))) {
+		fprintf(stderr, "Failed to allocate pixmap.\n");
+		return false;
+	}
 
-	set_clipping_rect(screen_rect);
+	gfx->pixmap->width = gfx->screen_rect.width;
+	gfx->pixmap->height = gfx->screen_rect.height;
+
+	int fbsize = gfx->pixmap->width * gfx->pixmap->height * gfx->color_depth / 8;
+	if(!(gfx->pixmap->pixels = (unsigned char*)sh_malloc(fbsize))) {
+		fprintf(stderr, "failed to allocate the pixmap framebuffer.\n");
+		return false;
+	}
+
+	set_clipping_rect(gfx->screen_rect);
 
 	return true;
 }
 
 void destroy_gfx()
 {
-	pixmap->pixels = 0;
-	delete pixmap;
+	sh_free(gfx->pixmap->pixels);
+	gfx->pixmap->pixels = 0;
+	sh_free(gfx->pixmap);
+	sh_free(gfx);
 	SDL_Quit();
 }
 
 unsigned char *get_framebuffer()
 {
-	return (unsigned char*)fbsurf->pixels;
+	return gfx->pixmap->pixels;
 }
 
 Pixmap *get_framebuffer_pixmap()
 {
-	return pixmap;
+	return gfx->pixmap;
 }
 
 Rect get_screen_size()
 {
-	return screen_rect;
+	return gfx->screen_rect;
 }
 
 int get_color_depth()
 {
-	return color_depth;
+	return gfx->color_depth;
 }
 
 /*void set_clipping_rect(const Rect &rect)
 {
-	clipping_rect = rect_intersection(rect, screen_rect);
+	gfx->clipping_rect = rect_intersection(rect, gfx->screen_rect);
 
 	SDL_Rect sdl_rect;
-	sdl_rect.x = clipping_rect.x;
-	sdl_rect.y = clipping_rect.y;
-	sdl_rect.w = clipping_rect.width;
-	sdl_rect.h = clipping_rect.height;
+	sdl_rect.x = gfx->clipping_rect.x;
+	sdl_rect.y = gfx->clipping_rect.y;
+	sdl_rect.w = gfx->clipping_recvoid fill_rect(const Rect &rect, int r, int g, int b)
+{
+	Rect drect = rect;
+	Rect screen_rect = get_screen_size();
+
+	if(drect.x < clipping_rect.x) {
+		drect.width -= clipping_rect.x - drect.x;
+		drect.x = clipping_rect.x;
+	}
+
+	if(drect.y < clipping_rect.y) {
+		drect.height -= clipping_rect.y - drect.y;
+		drect.y = clipping_rect.y;
+	}
+
+	if(drect.x + drect.width >= clipping_rect.x + clipping_rect.width) {
+		drect.width = clipping_rect.width + clipping_rect.x - drect.x;
+	}
+
+	if(drect.y + drect.height >= clipping_rect.y + clipping_rect.height) {
+		drect.height = clipping_rect.height + clipping_rect.y - drect.y;
+	}
+
+	unsigned char *fb = get_framebuffer() + (drect.x + screen_rect.width * drect.y) * 4;
+	for(int i=0; i<drect.height; i++) {
+		for(int j=0; j<drect.width; j++) {
+			fb[j * 4] = b;
+			fb[j * 4 + 1] = g;
+			fb[j * 4 + 2] = r;
+		}
+		fb += screen_rect.width * 4;
+	}
+}
+t.width;
+	sdl_rect.h = gfx->clipping_rect.height;
 
 	SDL_SetClipRect(fbsurf, &sdl_rect);
 }
 
 const Rect &get_clipping_rect()
 {
-	return clipping_rect;
+	return gfx->clipping_rect;
 }
 
 void clear_screen(int r, int g, int b)
 {
-	fill_rect(screen_rect, r, g, b);
+	fill_rect(gfx->screen_rect, r, g, b);
 }
 
 void fill_rect(const Rect &rect, int r, int g, int b)
@@ -99,12 +155,30 @@ void fill_rect(const Rect &rect, int r, int g, int b)
 	SDL_FillRect(fbsurf, &sdl_rect, color);
 }*/
 
+void set_clipping_rect(const Rect &rect)
+{
+	gfx->clipping_rect = rect_intersection(rect, get_screen_size());
+}
+
+const Rect &get_clipping_rect()
+{
+	return gfx->clipping_rect;
+}
+
+
 void set_cursor_visibility(bool visible)
 {
 }
 
 void gfx_update()
 {
+	if(SDL_MUSTLOCK(fbsurf)) {
+		SDL_LockSurface(fbsurf);
+	}
+	memcpy(fbsurf->pixels, gfx->pixmap->pixels, gfx->pixmap->width * gfx->pixmap->height * (gfx->color_depth / 8));
+	if(SDL_MUSTLOCK(fbsurf)) {
+		SDL_UnlockSurface(fbsurf);
+	}
 	SDL_UpdateRect(fbsurf, 0, 0, 0, 0);
 }