Load font atlas, rgba conversion, and draw it

main
Cameron Murphy Reikes 2 years ago
parent 086dd28512
commit 3a708b9e54

@ -16,5 +16,5 @@
} }
@level level0: @level level0:
{ {
filepath: "testsmalllevel.json", filepath: "level0.json",
} }

Binary file not shown.

@ -8,8 +8,12 @@
#include "sokol_glue.h" #include "sokol_glue.h"
#define STB_IMAGE_IMPLEMENTATION #define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h" #include "stb_image.h"
#define STB_TRUETYPE_IMPLEMENTATION
#include "stb_truetype.h"
#include "HandMadeMath.h" #include "HandMadeMath.h"
#pragma warning(disable : 4996) // fopen is safe. I don't care about fopen_s
#include <math.h> #include <math.h>
typedef struct AABB { typedef struct AABB {
@ -80,6 +84,8 @@ TileInfo mystery_tile = {
.regions[0] = { 0, 0, 32, 32 }, .regions[0] = { 0, 0, 32, 32 },
}; };
sg_image image_font;
// so can be grep'd and removed // so can be grep'd and removed
#define dbgprint(...) { printf("Debug | %s:%d | ", __FILE__, __LINE__); printf(__VA_ARGS__); } #define dbgprint(...) { printf("Debug | %s:%d | ", __FILE__, __LINE__); printf(__VA_ARGS__); }
@ -97,6 +103,44 @@ void init(void) {
load_assets(); load_assets();
// load font
{
FILE* fontFile = fopen("assets/orange kid.ttf", "rb");
fseek(fontFile, 0, SEEK_END);
size_t size = ftell(fontFile); /* how long is the file ? */
fseek(fontFile, 0, SEEK_SET); /* reset */
char *fontBuffer = malloc(size);
fread(fontBuffer, size, 1, fontFile);
fclose(fontFile);
unsigned char font_bitmap[512*512] = {0};
stbtt_bakedchar cdata[96]; // ASCII 32..126 is 95 glyphs
stbtt_BakeFontBitmap(fontBuffer, 0, 64.0, font_bitmap, 512, 512, 32, 96, cdata);
unsigned char *font_bitmap_rgba = malloc(4 * 512 * 512);
for(int i = 0; i < 512 * 512; i++) {
font_bitmap_rgba[i*4 + 0] = 255;
font_bitmap_rgba[i*4 + 1] = 255;
font_bitmap_rgba[i*4 + 2] = 255;
font_bitmap_rgba[i*4 + 3] = font_bitmap[i];
}
image_font = sg_make_image( &(sg_image_desc){
.width = 512,
.height = 512,
.pixel_format = SG_PIXELFORMAT_RGBA8,
.min_filter = SG_FILTER_NEAREST,
.mag_filter = SG_FILTER_NEAREST,
.data.subimage[0][0] = {
.ptr = font_bitmap_rgba,
.size = (size_t)(512 * 512 * 4),
}
});
free(font_bitmap_rgba);
}
state.bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){ state.bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
.usage = SG_USAGE_STREAM, .usage = SG_USAGE_STREAM,
//.data = SG_RANGE(vertices), //.data = SG_RANGE(vertices),
@ -145,6 +189,7 @@ typedef HMM_Vec4 Color;
#define WHITE (Color){1.0f, 1.0f, 1.0f, 1.0f} #define WHITE (Color){1.0f, 1.0f, 1.0f, 1.0f}
#define BLACK (Color){0.0f, 0.0f, 0.0f, 1.0f}
HMM_Vec2 screen_size() { HMM_Vec2 screen_size() {
return HMM_V2((float)sapp_width(), (float)sapp_height()); return HMM_V2((float)sapp_width(), (float)sapp_height());
@ -374,6 +419,13 @@ void frame(void) {
} }
#endif #endif
// debug draw font image
{
HMM_Vec2 points[4] = {0};
quad_points_centered_size(points, HMM_V2(0.0, 0.0), HMM_V2(250.0, 250.0));
draw_quad_world_all(points, image_font,full_region(image_font), BLACK);
}
// merchant // merchant
int index = (int)floor(time/0.3); int index = (int)floor(time/0.3);
float size = img_size(image_merchant).Y; float size = img_size(image_merchant).Y;

File diff suppressed because it is too large Load Diff
Loading…
Cancel
Save