taisei/src/portrait.c
2023-04-29 20:01:50 +02:00

121 lines
3.6 KiB
C

/*
* This software is licensed under the terms of the MIT License.
* See COPYING for further information.
* ---
* Copyright (c) 2011-2019, Lukas Weber <laochailan@web.de>.
* Copyright (c) 2012-2019, Andrei Alexeyev <akari@taisei-project.org>.
*/
#include "taisei.h"
#include "portrait.h"
#include "renderer/api.h"
#include "config.h"
#define RETURN_RESOURCE_NAME(name1, suffix, name2) \
assert(bufsize >= strlen(PORTRAIT_PREFIX) + strlen(name1) + strlen(suffix) + strlen(name2) + 1); \
return snprintf(buf, bufsize, PORTRAIT_PREFIX "%s" suffix "%s", name1, name2)
#define BUFFER_SIZE 128
int portrait_get_base_sprite_name(const char *charname, const char *variant, size_t bufsize, char buf[bufsize]) {
if(variant == NULL) {
RETURN_RESOURCE_NAME(charname, "", "");
} else {
RETURN_RESOURCE_NAME(charname, PORTRAIT_VARIANT_SUFFIX, variant);
}
}
Sprite *portrait_get_base_sprite(const char *charname, const char *variant) {
char buf[BUFFER_SIZE];
portrait_get_base_sprite_name(charname, variant, sizeof(buf), buf);
return res_sprite(buf);
}
void portrait_preload_base_sprite(ResourceGroup *rg, const char *charname, const char *variant, ResourceFlags rflags) {
char buf[BUFFER_SIZE];
portrait_get_base_sprite_name(charname, variant, sizeof(buf), buf);
res_group_preload(rg, RES_SPRITE, rflags, buf, NULL);
}
int portrait_get_face_sprite_name(const char *charname, const char *face, size_t bufsize, char buf[bufsize]) {
RETURN_RESOURCE_NAME(charname, PORTRAIT_FACE_SUFFIX, face);
}
Sprite *portrait_get_face_sprite(const char *charname, const char *face) {
char buf[BUFFER_SIZE];
portrait_get_face_sprite_name(charname, face, sizeof(buf), buf);
return res_sprite(buf);
}
void portrait_preload_face_sprite(ResourceGroup *rg, const char *charname, const char *face, ResourceFlags rflags) {
char buf[BUFFER_SIZE];
portrait_get_face_sprite_name(charname, face, sizeof(buf), buf);
res_group_preload(rg, RES_SPRITE, rflags, buf, NULL);
}
void portrait_render(Sprite *s_base, Sprite *s_face, Sprite *s_out) {
r_state_push();
IntRect itc = sprite_denormalized_int_tex_coords(s_base);
uint tex_w = imax(itc.w, 1);
uint tex_h = imax(itc.h, 1);
float spr_w = s_base->extent.w;
float spr_h = s_base->extent.h;
Texture *ptex = r_texture_create(&(TextureParams) {
.type = TEX_TYPE_RGBA_8,
.width = tex_w,
.height = tex_h,
.filter.min = TEX_FILTER_LINEAR_MIPMAP_LINEAR,
.filter.mag = TEX_FILTER_LINEAR,
.wrap.s = TEX_WRAP_CLAMP,
.wrap.t = TEX_WRAP_CLAMP,
.mipmap_mode = TEX_MIPMAP_AUTO,
.mipmaps = 3,
});
Framebuffer *fb = r_framebuffer_create();
r_framebuffer_attach(fb, ptex, 0, FRAMEBUFFER_ATTACH_COLOR0);
r_framebuffer_viewport(fb, 0, 0, tex_w, tex_h);
r_framebuffer(fb);
r_framebuffer_clear(fb, BUFFER_COLOR, RGBA(0, 0, 0, 0), 1);
r_mat_proj_push_ortho(spr_w - s_base->padding.w, spr_h - s_base->padding.h);
r_mat_mv_push_identity();
SpriteParams sp = { 0 };
sp.sprite_ptr = s_base;
sp.blend = BLEND_NONE;
sp.pos.x = spr_w * 0.5f - s_base->padding.offset.x;
sp.pos.y = spr_h * 0.5f - s_base->padding.offset.y;
sp.color = RGBA(1, 1, 1, 1);
sp.shader_ptr = res_shader("sprite_default"),
r_draw_sprite(&sp);
sp.blend = BLEND_PREMUL_ALPHA;
sp.sprite_ptr = s_face;
r_draw_sprite(&sp);
r_flush_sprites();
r_mat_mv_pop();
r_mat_proj_pop();
r_state_pop();
r_framebuffer_destroy(fb);
Sprite s = { 0 };
s.tex = ptex;
s.extent = s_base->extent;
s.padding = s_base->padding;
s.tex_area.w = 1.0f;
s.tex_area.h = 1.0f;
*s_out = s;
}
void portrait_render_byname(const char *charname, const char *variant, const char *face, Sprite *s_out) {
portrait_render(
portrait_get_base_sprite(charname, variant),
portrait_get_face_sprite(charname, face),
s_out
);
}