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character: add ability to specify per-frame color tint

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Sebastian Krzyszkowiak 2018-08-03 05:26:28 +02:00
parent 093a808dc2
commit 341aa1d823
2 changed files with 14 additions and 1 deletions
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14
src/character.c
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@ -270,6 +270,13 @@ SYMBOL_EXPORT void RegisterSpritesheet(struct Game* game, struct Character* char
s->frames[i].flipX = strtolnull(al_get_config_value(config, framename, "flipX"), 0);
s->frames[i].flipY = strtolnull(al_get_config_value(config, framename, "flipY"), 0);
double r, g, b, a;
r = strtodnull(al_get_config_value(config, framename, "r"), 1);
g = strtodnull(al_get_config_value(config, framename, "g"), 1);
b = strtodnull(al_get_config_value(config, framename, "b"), 1);
a = strtodnull(al_get_config_value(config, framename, "a"), 1);
s->frames[i].tint = al_premul_rgba_f(r, g, b, a);
s->frames[i].file = NULL;
const char* file = al_get_config_value(config, framename, "file");
if (file) {
@ -529,7 +536,12 @@ SYMBOL_EXPORT void DrawCharacter(struct Game* game, struct Character* character)
al_compose_transform(&transform, &current);
al_use_transform(&transform);
al_draw_tinted_bitmap(character->frame->bitmap, character->tint, 0, 0, 0);
float r, g, b, a, r2, g2, b2, a2;
al_unmap_rgba_f(character->tint, &r, &g, &b, &a);
al_unmap_rgba_f(character->frame->tint, &r2, &g2, &b2, &a2);
ALLEGRO_COLOR tint = al_map_rgba_f(r * r2, g * g2, b * b2, a * a2);
al_draw_tinted_bitmap(character->frame->bitmap, tint, 0, 0, 0);
/* al_hold_bitmap_drawing(false);
al_draw_filled_rectangle(character->spritesheet->width * character->spritesheet->pivotX - 5,

1
src/character.h
View file

@ -30,6 +30,7 @@ struct SpritesheetFrame {
char* filepath;
ALLEGRO_BITMAP* bitmap;
double duration;
ALLEGRO_COLOR tint;
int row;
int col;
int x;