game progress

game/Makefile

@@ -1,12 +1,12 @@
 CC = i686-pc-toaru-gcc
-CFLAGS = -march=core2 -std=c99 -O3 -I/afs/acm.uiuc.edu/user/lange7/toaru-toolchain/local/i686-pc-toaru/include/freetype2
+CFLAGS = -march=core2 -std=c99 -O3
 
 .PHONY: all
 
 all: ../initrd/bin/game ../initrd/bin/julia
 
 ../initrd/bin/game: main.c
-	${CC} ${CFLAGS} -o $@ $< ~/toaru-toolchain/local/i686-pc-toaru/lib/libfreetype.a
+	${CC} ${CFLAGS} -o $@ $<
 
 ../initrd/bin/julia: julia.c
 	${CC} ${CFLAGS} -o $@ $<

game/julia.c

@@ -82,49 +82,52 @@ void julia(int xpt, int ypt) {
 			break;
 	}
 
-	int color = k;
-	if (!no_repeat) {
-		if (color > 11) color = color % 12;
-	} else {
+	int color;
+	if (no_repeat) {
 		color = 12 * k / initer;
+	} else {
+		color = k;
+		if (color > 11) {
+			color = color % 12;
+		}
 	}
-	if (k >= initer)
+	if (k >= initer) {
 		GFX(xpt, ypt) = 0;
-	else
+	} else {
 		GFX(xpt, ypt) = colors[color];
+	}
 	newcolor = color;
 }
 
 int main(int argc, char ** argv) {
 	gfx_mem = (void *)syscall_getgraphicsaddress();
 
-	/* Read some arguments */
 	if (argc > 1) {
-		optind = 0;
-	}
-	int index, c;
-	while ((c = getopt(argc, argv, "ni:x:X:c:C:")) != -1) {
-		switch (c) {
-			case 'n':
-				no_repeat = 1;
-				break;
-			case 'i':
-				initer = atof(optarg);
-				break;
-			case 'x':
-				Minx = atof(optarg);
-				break;
-			case 'X':
-				Maxx = atof(optarg);
-				break;
-			case 'c':
-				conx = atof(optarg);
-				break;
-			case 'C':
-				cony = atof(optarg);
-				break;
-			default:
-				break;
+		/* Read some arguments */
+		int index, c;
+		while ((c = getopt(argc, argv, "ni:x:X:c:C:")) != -1) {
+			switch (c) {
+				case 'n':
+					no_repeat = 1;
+					break;
+				case 'i':
+					initer = atof(optarg);
+					break;
+				case 'x':
+					Minx = atof(optarg);
+					break;
+				case 'X':
+					Maxx = atof(optarg);
+					break;
+				case 'c':
+					conx = atof(optarg);
+					break;
+				case 'C':
+					cony = atof(optarg);
+					break;
+				default:
+					break;
+			}
 		}
 	}
 	printf("initer: %f\n", initer);

game/main.c

@@ -9,15 +9,6 @@
 #include <stdlib.h>
 #include <time.h>
 
-#if 1
-#include <ft2build.h>
-#include FT_FREETYPE_H
-
-
-FT_Library library;
-FT_Face    face;
-#endif
-
 DEFN_SYSCALL0(getgraphicsaddress, 11);
 DEFN_SYSCALL1(kbd_mode, 12, int);
 DEFN_SYSCALL0(kbd_get, 13);
@@ -27,7 +18,9 @@ typedef struct sprite {
 	uint16_t width;
 	uint16_t height;
 	uint32_t * bitmap;
+	uint32_t * masks;
 	uint32_t blank;
+	uint8_t  alpha;
 } sprite_t;
 
 #define GFX_W  1024
@@ -35,6 +28,7 @@ typedef struct sprite {
 #define GFX_B  4
 #define GFX(x,y) frame_mem[GFX_W * (y) + (x)]
 #define SPRITE(sprite,x,y) sprite->bitmap[sprite->width * (y) + (x)]
+#define SMASKS(sprite,x,y) sprite->masks[sprite->width * (y) + (x)]
 
 uint32_t * gfx_mem;
 uint32_t * frame_mem;
@@ -42,6 +36,18 @@ uint32_t   gfx_size = GFX_B * GFX_H * GFX_W;
 sprite_t * sprites[128];
 
 
+void * malloc_(size_t size) {
+	void * ret = malloc(size);
+	if (!ret) {
+		printf("[WARNING!] malloc_(%d) returned NULL!\n", size);
+		while ((ret = malloc(size)) == NULL) {
+			printf(".");
+		}
+	}
+	return ret;
+}
+
+
 uint32_t rgb(uint8_t r, uint8_t g, uint8_t b) {
 	return (r * 0x10000) + (g * 0x100) + (b * 0x1);
 }
@@ -71,30 +77,38 @@ load_sprite(sprite_t * sprite, char * filename) {
 	fseek(image, 0, SEEK_SET);
 
 	/* Alright, we have the length */
-	char * bufferb = malloc(image_size);
+	char * bufferb = malloc_(image_size);
 	fread(bufferb, image_size, 1, image);
 	uint16_t x = 0; /* -> 212 */
 	uint16_t y = 0; /* -> 68 */
 	/* Get the width / height of the image */
 	signed int *bufferi = (signed int *)((uintptr_t)bufferb + 2);
-	uint32_t width = bufferi[4];
+	uint32_t width  = bufferi[4];
 	uint32_t height = bufferi[5];
-	uint32_t row_width = (24 * width + 31) / 32 * 4;
+	uint16_t bpp    = bufferi[6] / 0x10000;
+	uint32_t row_width = (bpp * width + 31) / 32 * 4;
 	/* Skip right to the important part */
 	size_t i = bufferi[2];
 
 	sprite->width = width;
 	sprite->height = height;
-	sprite->bitmap = malloc(sizeof(uint32_t) * width * height);
-	printf("%d x %d\n", width, height);
+	sprite->bitmap = malloc_(sizeof(uint32_t) * width * height);
 
 	for (y = 0; y < height; ++y) {
 		for (x = 0; x < width; ++x) {
 			if (i > image_size) return;
 			/* Extract the color */
-			uint32_t color =	bufferb[i   + 3 * x] +
-								bufferb[i+1 + 3 * x] * 0x100 +
-								bufferb[i+2 + 3 * x] * 0x10000;
+			uint32_t color;
+			if (bpp == 24) {
+				color =	bufferb[i   + 3 * x] +
+						bufferb[i+1 + 3 * x] * 0x100 +
+						bufferb[i+2 + 3 * x] * 0x10000;
+			} else if (bpp == 32) {
+				color =	bufferb[i   + 4 * x] * 0x1000000 +
+						bufferb[i+1 + 4 * x] * 0x100 +
+						bufferb[i+2 + 4 * x] * 0x10000 +
+						bufferb[i+3 + 4 * x] * 0x1;
+			}
 			/* Set our point */
 			sprite->bitmap[(height - y) * width + x] = color;
 		}
@@ -103,11 +117,27 @@ load_sprite(sprite_t * sprite, char * filename) {
 	free(bufferb);
 }
 
+#define _RED(color) ((color & 0x00FF0000) / 0x10000)
+#define _GRE(color) ((color & 0x0000FF00) / 0x100)
+#define _BLU(color) ((color & 0x000000FF) / 0x1)
+
+uint32_t alpha_blend(uint32_t bottom, uint32_t top, uint32_t mask) {
+	float a = _RED(mask) / 256.0;
+	uint8_t red = _RED(bottom) * (1.0 - a) + _RED(top) * a;
+	uint8_t gre = _GRE(bottom) * (1.0 - a) + _GRE(top) * a;
+	uint8_t blu = _BLU(bottom) * (1.0 - a) + _BLU(top) * a;
+	return rgb(red,gre,blu);
+}
+
 void draw_sprite(sprite_t * sprite, uint16_t x, uint16_t y) {
 	for (uint16_t _y = 0; _y < sprite->height; ++_y) {
 		for (uint16_t _x = 0; _x < sprite->width; ++_x) {
-			if (SPRITE(sprite,_x,_y) != sprite->blank) {
-				GFX(x + _x, y + _y) = SPRITE(sprite, _x, _y);
+			if (sprite->alpha) {
+				GFX(x + _x, y + _y) = alpha_blend(GFX(x + _x, y + _y), SPRITE(sprite, _x, _y), SMASKS(sprite, _x, _y));
+			} else {
+				if (SPRITE(sprite,_x,_y) != sprite->blank) {
+					GFX(x + _x, y + _y) = SPRITE(sprite, _x, _y);
+				}
 			}
 		}
 	}
@@ -141,38 +171,32 @@ void draw_line(uint16_t x0, uint16_t x1, uint16_t y0, uint16_t y1, uint32_t colo
 	}
 }
 
+/* woah */
+char font_buffer[400000];
+sprite_t alpha_tmp;
+
+void init_sprite(int i, char * filename, char * alpha) {
+	sprites[i] = malloc_(sizeof(sprite_t));
+	load_sprite(sprites[i], filename);
+	if (alpha) {
+		sprites[i]->alpha = 1;
+		load_sprite(&alpha_tmp, alpha);
+		sprites[i]->masks = alpha_tmp.bitmap;
+	} else {
+		sprites[i]->alpha = 0;
+	}
+	sprites[i]->blank = 0x0;
+}
+
 int main(int argc, char ** argv) {
+
 	gfx_mem = (void *)syscall_getgraphicsaddress();
-	frame_mem = (void *)((uintptr_t)gfx_mem + sizeof(uint32_t) * 1024 * 768); //malloc(sizeof(uint32_t) * 1024 * 768);
+	frame_mem = (void *)((uintptr_t)gfx_mem + sizeof(uint32_t) * 1024 * 768); //malloc_(sizeof(uint32_t) * 1024 * 768);
 	printf("Graphics memory is at %p, backbuffer is at %p.\n", gfx_mem, frame_mem);
 
 	printf("Loading sprites...\n");
-	sprites[0] = malloc(sizeof(sprite_t));
-	load_sprite(sprites[0], "/bs.bmp");
-	sprites[0]->blank = 0x0;
-	printf("Sprite is %d by %d\n", sprites[0]->width, sprites[0]->height);
-	printf("%x\n", sprites[0]->bitmap);
-
-#if 1
-	printf("Initialzing Freetype...\n");
-	int error = FT_Init_FreeType(&library);
-	if (error) {
-		printf("FreeType initialization returned %d.\n");
-		return error;
-	}
-	printf("Loading DejaVu Sans font.\n");
-	error = FT_New_Face(library,
-			"/etc/DejaVuSansMono.ttf",
-			0,
-			&face);
-	if (error == FT_Err_Unknown_File_Format) {
-		printf("FT: Unknown format (%d).\n", FT_Err_Unknown_File_Format);
-		return error;
-	} else {
-		printf("FT: Something else went wrong. (%d)\n", error);
-	}
-#endif
-
+	init_sprite(0, "/etc/ball.bmp", NULL);
+	init_sprite(1, "/etc/toaru_logo.bmp", "/etc/toaru_logo_a.bmp");
 
 	printf("\033[J\n");
 
@@ -180,22 +204,15 @@ int main(int argc, char ** argv) {
 
 	int playing = 1;
 
-	int obj_x = 0;
-	int obj_y = 0;
+	int obj_x = GFX_W / 2;
+	int obj_y = GFX_H - 200;
 
-	int obj_h = 5;
-	int obj_v = 5;
+	int obj_h = 1;
+	int obj_v = 1;
+
+	uint32_t which = 0;
 
 	while (playing) {
-#if 0
-		uint32_t c = 0; //0x72A0CF; /* A nice sky blue */
-		/* Clear the background */
-		for (uint16_t x = 0; x < 1024; ++x) {
-			for (uint16_t y = 0; y < 768; ++y) {
-				GFX(x,y) = c;
-			}
-		}
-#endif
 
 		/* Update the sprite location */
 		obj_x += obj_h;
@@ -204,20 +221,20 @@ int main(int argc, char ** argv) {
 			obj_x = 0;
 			obj_h = -obj_h;
 		}
-		if (obj_x > GFX_W - sprites[0]->width) {
-			obj_x = GFX_W - sprites[0]->width;
+		if (obj_x > GFX_W - sprites[which]->width) {
+			obj_x = GFX_W - sprites[which]->width;
 			obj_h = -obj_h;
 		}
 		if (obj_y < 0) {
 			obj_y = 0;
 			obj_v = -obj_v;
 		}
-		if (obj_y > GFX_H - sprites[0]->height) {
-			obj_y = GFX_H - sprites[0]->height;
+		if (obj_y > GFX_H - sprites[which]->height) {
+			obj_y = GFX_H - sprites[which]->height;
 			obj_v = -obj_v;
 		}
 
-		draw_sprite(sprites[0], obj_x, obj_y);
+		draw_sprite(sprites[which], obj_x, obj_y);
 		flip();
 
 		char ch = 0;
@@ -226,26 +243,27 @@ int main(int argc, char ** argv) {
 			case 16:
 				playing = 0;
 				break;
-			case 17:
-				--obj_v;
-				break;
-			case 31:
-				++obj_v;
-				break;
 			case 30:
-				--obj_h;
+				obj_h = -1;
+				/* left */
 				break;
 			case 32:
-				++obj_h;
+				obj_h = 1;
+				/* right */
 				break;
 			case 18:
-				obj_v = 0;
-				obj_h = 0;
+				obj_x = GFX_W / 2;
+				obj_y = GFX_H - 200;
+				obj_v = 1;
+				obj_h = 1;
+				break;
+			case 2:
+				which = 0;
+				break;
+			case 3:
+				which = 1;
 				break;
 			default:
-				if (ch) {
-					printf("%d\n", ch);
-				}
 				break;
 		}
 	}