refactor some things...
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3550fad638
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25 changed files with 2396 additions and 1307 deletions
170
src/pxl8_gfx.h
170
src/pxl8_gfx.h
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@ -1,143 +1,105 @@
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#pragma once
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#include <string.h>
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#include <SDL3/SDL.h>
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#include "pxl8_blit.h"
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#include "pxl8_math.h"
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#include "pxl8_types.h"
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typedef struct pxl8_atlas_entry {
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char path[256];
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u32 sprite_id;
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i32 x, y, w, h;
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} pxl8_atlas_entry;
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typedef struct pxl8_gfx_ctx {
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SDL_Renderer* renderer;
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SDL_Texture* framebuffer_texture;
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SDL_Texture* sprite_atlas_texture;
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SDL_Window* window;
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u8* framebuffer;
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bool initialized;
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u32* palette;
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u32 palette_size;
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i32 framebuffer_width;
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i32 framebuffer_height;
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pxl8_color_mode color_mode;
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u8* atlas;
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bool atlas_dirty;
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pxl8_atlas_entry* atlas_entries;
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u32 atlas_entries_len;
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u32 atlas_entries_cap;
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u32 sprite_atlas_width;
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u32 sprite_atlas_height;
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u32 sprite_frame_width;
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u32 sprite_frame_height;
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u32 sprite_frames_per_row;
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i32 viewport_x, viewport_y;
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i32 viewport_width, viewport_height;
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} pxl8_gfx_ctx;
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typedef struct pxl8_gfx pxl8_gfx;
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typedef enum pxl8_blend_mode {
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PXL8_BLEND_NONE,
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PXL8_BLEND_ALPHA,
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PXL8_BLEND_ADD,
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PXL8_BLEND_MULTIPLY
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PXL8_BLEND_ALPHA,
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PXL8_BLEND_MULTIPLY,
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PXL8_BLEND_NONE
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} pxl8_blend_mode;
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typedef struct pxl8_mode7_params {
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f32 horizon;
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f32 scale_x, scale_y;
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f32 rotation;
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f32 offset_x, offset_y;
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bool active;
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f32 horizon;
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f32 offset_x, offset_y;
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f32 rotation;
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f32 scale_x, scale_y;
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} pxl8_mode7_params;
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typedef struct pxl8_palette_cycle {
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u8 start_index;
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bool active;
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u8 end_index;
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f32 speed;
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u8 start_index;
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f32 timer;
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bool active;
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} pxl8_palette_cycle;
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typedef struct pxl8_scanline_effect {
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void (*process)(pxl8_gfx_ctx* ctx, i32 line, f32 time);
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bool active;
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void (*process)(pxl8_gfx* gfx, i32 line, f32 time);
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} pxl8_scanline_effect;
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typedef struct pxl8_vertex {
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u32 color;
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pxl8_vec3 normal;
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pxl8_vec3 position;
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f32 u, v;
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} pxl8_vertex;
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typedef struct pxl8_effects {
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pxl8_palette_cycle palette_cycles[8];
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pxl8_scanline_effect scanline_effects[4];
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f32 time;
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} pxl8_effects;
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typedef struct pxl8_triangle {
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pxl8_vertex v[3];
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} pxl8_triangle;
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#ifdef __cplusplus
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extern "C" {
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#endif
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pxl8_gfx* pxl8_gfx_create(pxl8_color_mode mode, pxl8_resolution resolution, const char* title, i32 window_width, i32 window_height);
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void pxl8_gfx_destroy(pxl8_gfx* gfx);
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pxl8_bounds pxl8_gfx_get_bounds(pxl8_gfx* gfx);
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pxl8_color_mode pxl8_gfx_get_color_mode(pxl8_gfx* gfx);
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u8* pxl8_gfx_get_framebuffer(pxl8_gfx* gfx);
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i32 pxl8_gfx_get_height(const pxl8_gfx* gfx);
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void pxl8_gfx_get_resolution_dimensions(pxl8_resolution resolution, i32* width, i32* height);
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pxl8_result pxl8_gfx_init(
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pxl8_gfx_ctx* ctx,
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pxl8_color_mode mode,
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pxl8_resolution resolution,
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const char* title,
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i32 window_width,
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i32 window_height
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);
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pxl8_result pxl8_gfx_init_atlas(pxl8_gfx_ctx* ctx, u32 width, u32 height);
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pxl8_result pxl8_gfx_load_font_atlas(pxl8_gfx_ctx* ctx);
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pxl8_result pxl8_gfx_load_palette(pxl8_gfx_ctx* ctx, const char* path);
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pxl8_result pxl8_gfx_load_sprite(pxl8_gfx_ctx* ctx, const char* path);
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void pxl8_gfx_present(pxl8_gfx_ctx* ctx);
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void pxl8_gfx_project(pxl8_gfx_ctx* ctx, f32 left, f32 right, f32 top, f32 bottom);
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void pxl8_gfx_shutdown(pxl8_gfx_ctx* ctx);
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void pxl8_gfx_upload_atlas(pxl8_gfx_ctx* ctx);
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void pxl8_gfx_upload_framebuffer(pxl8_gfx_ctx* ctx);
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void pxl8_gfx_viewport(pxl8_gfx_ctx* ctx, i32 x, i32 y, i32 width, i32 height);
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i32 pxl8_gfx_get_width(const pxl8_gfx* gfx);
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pxl8_result pxl8_gfx_init_atlas(pxl8_gfx* gfx, u32 width, u32 height);
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pxl8_result pxl8_gfx_load_font_atlas(pxl8_gfx* gfx);
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pxl8_result pxl8_gfx_load_palette(pxl8_gfx* gfx, const char* path);
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pxl8_result pxl8_gfx_load_sprite(pxl8_gfx* gfx, const char* path);
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void pxl8_gfx_present(pxl8_gfx* gfx);
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void pxl8_gfx_project(pxl8_gfx* gfx, f32 left, f32 right, f32 top, f32 bottom);
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void pxl8_gfx_upload_atlas(pxl8_gfx* gfx);
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void pxl8_gfx_upload_framebuffer(pxl8_gfx* gfx);
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void pxl8_gfx_viewport(pxl8_gfx* gfx, i32 x, i32 y, i32 width, i32 height);
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void pxl8_gfx_color_ramp(
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pxl8_gfx_ctx* ctx,
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u8 start,
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u8 count,
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u32 from_color,
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u32 to_color
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);
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void pxl8_gfx_cycle_palette(pxl8_gfx_ctx* ctx, u8 start, u8 count, i32 step);
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void pxl8_gfx_fade_palette(
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pxl8_gfx_ctx* ctx,
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u8 start,
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u8 count,
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f32 amount,
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u32 target_color
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);
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void pxl8_gfx_interpolate_palettes(
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pxl8_gfx_ctx* ctx,
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u32* palette1,
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u32* palette2,
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u8 start,
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u8 count,
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f32 t
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);
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void pxl8_gfx_process_effects(pxl8_gfx_ctx* ctx, pxl8_effects* effects, f32 dt);
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void pxl8_gfx_swap_palette(pxl8_gfx_ctx* ctx, u8 start, u8 count, u32* new_colors);
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void pxl8_gfx_color_ramp(pxl8_gfx* gfx, u8 start, u8 count, u32 from_color, u32 to_color);
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void pxl8_gfx_cycle_palette(pxl8_gfx* gfx, u8 start, u8 count, i32 step);
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void pxl8_gfx_fade_palette(pxl8_gfx* gfx, u8 start, u8 count, f32 amount, u32 target_color);
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void pxl8_gfx_interpolate_palettes(pxl8_gfx* gfx, u32* palette1, u32* palette2, u8 start, u8 count, f32 t);
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void pxl8_gfx_process_effects(pxl8_gfx* gfx, pxl8_effects* effects, f32 dt);
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void pxl8_gfx_swap_palette(pxl8_gfx* gfx, u8 start, u8 count, u32* new_colors);
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void pxl8_circle(pxl8_gfx_ctx* ctx, i32 cx, i32 cy, i32 radius, u32 color);
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void pxl8_circle_fill(pxl8_gfx_ctx* ctx, i32 cx, i32 cy, i32 radius, u32 color);
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void pxl8_clr(pxl8_gfx_ctx* ctx, u32 color);
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u32 pxl8_get_pixel(pxl8_gfx_ctx* ctx, i32 x, i32 y);
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void pxl8_line(pxl8_gfx_ctx* ctx, i32 x0, i32 y0, i32 x1, i32 y1, u32 color);
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void pxl8_pixel(pxl8_gfx_ctx* ctx, i32 x, i32 y, u32 color);
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void pxl8_rect(pxl8_gfx_ctx* ctx, i32 x, i32 y, i32 w, i32 h, u32 color);
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void pxl8_rect_fill(pxl8_gfx_ctx* ctx, i32 x, i32 y, i32 w, i32 h, u32 color);
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void pxl8_sprite(pxl8_gfx_ctx* ctx, u32 sprite_id, i32 x, i32 y, i32 w, i32 h);
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void pxl8_text(pxl8_gfx_ctx* ctx, const char* text, i32 x, i32 y, u32 color);
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void pxl8_circle(pxl8_gfx* gfx, i32 cx, i32 cy, i32 radius, u32 color);
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void pxl8_circle_fill(pxl8_gfx* gfx, i32 cx, i32 cy, i32 radius, u32 color);
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void pxl8_clr(pxl8_gfx* gfx, u32 color);
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u32 pxl8_get_pixel(pxl8_gfx* gfx, i32 x, i32 y);
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void pxl8_line(pxl8_gfx* gfx, i32 x0, i32 y0, i32 x1, i32 y1, u32 color);
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void pxl8_pixel(pxl8_gfx* gfx, i32 x, i32 y, u32 color);
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void pxl8_rect(pxl8_gfx* gfx, i32 x, i32 y, i32 w, i32 h, u32 color);
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void pxl8_rect_fill(pxl8_gfx* gfx, i32 x, i32 y, i32 w, i32 h, u32 color);
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void pxl8_sprite(pxl8_gfx* gfx, u32 sprite_id, i32 x, i32 y, i32 w, i32 h);
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void pxl8_text(pxl8_gfx* gfx, const char* text, i32 x, i32 y, u32 color);
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void pxl8_3d_clear_zbuffer(pxl8_gfx* gfx);
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void pxl8_3d_draw_line_3d(pxl8_gfx* gfx, pxl8_vec3 p0, pxl8_vec3 p1, u32 color);
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void pxl8_3d_draw_triangle(pxl8_gfx* gfx, pxl8_triangle tri);
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void pxl8_3d_draw_triangle_raw(pxl8_gfx* gfx, pxl8_vec3 v0, pxl8_vec3 v1, pxl8_vec3 v2, u32 color);
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void pxl8_3d_set_backface_culling(pxl8_gfx* gfx, bool culling);
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void pxl8_3d_set_model(pxl8_gfx* gfx, pxl8_mat4 mat);
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void pxl8_3d_set_projection(pxl8_gfx* gfx, pxl8_mat4 mat);
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void pxl8_3d_set_view(pxl8_gfx* gfx, pxl8_mat4 mat);
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void pxl8_3d_set_wireframe(pxl8_gfx* gfx, bool wireframe);
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#ifdef __cplusplus
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}
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