mirror of
https://github.com/nunuhara/xsystem4.git
synced 2026-10-02 11:58:05 +03:00
kichikuou
9da9f53671
This is used in Toushin Toshi III for the "clock" effect of battle command icons.
85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/* Copyright (C) 2022 kichikuou <KichikuouChrome@gmail.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <cglm/cglm.h>
|
|
|
|
#include "gfx/gfx.h"
|
|
#include "hll.h"
|
|
#include "sact.h"
|
|
|
|
struct fill_angele_shader {
|
|
struct shader s;
|
|
GLint center;
|
|
GLint start_angle;
|
|
GLint angle;
|
|
GLint color;
|
|
};
|
|
static struct fill_angele_shader shader;
|
|
|
|
static void load_shader(void)
|
|
{
|
|
gfx_load_shader(&shader.s, "shaders/render.v.glsl", "shaders/fill_angle.f.glsl");
|
|
shader.center = glGetUniformLocation(shader.s.program, "center");
|
|
shader.start_angle = glGetUniformLocation(shader.s.program, "start_angle");
|
|
shader.angle = glGetUniformLocation(shader.s.program, "angle");
|
|
shader.color = glGetUniformLocation(shader.s.program, "color");
|
|
}
|
|
|
|
static bool FillAngle_FillAngleAMAP(int sprite, int center_x, int center_y, int start_angle, int angle, int alpha)
|
|
{
|
|
struct sact_sprite *sp = sact_try_get_sprite(sprite);
|
|
if (!sp)
|
|
return false;
|
|
struct texture *dst = sprite_get_texture(sp);
|
|
float w = dst->w;
|
|
float h = dst->h;
|
|
|
|
if (!shader.s.program)
|
|
load_shader();
|
|
glUseProgram(shader.s.program);
|
|
glUniform2f(shader.center, center_x / w, center_y / h);
|
|
glUniform1f(shader.start_angle, glm_rad(start_angle));
|
|
glUniform1f(shader.angle, glm_rad(angle));
|
|
glUniform4f(shader.color, 0, 0, 0, alpha / 255.0);
|
|
glUseProgram(0);
|
|
|
|
mat4 mw_transform = MAT4(
|
|
w, 0, 0, 0,
|
|
0, h, 0, 0,
|
|
0, 0, 1, 0,
|
|
0, 0, 0, 1);
|
|
mat4 wv_transform = WV_TRANSFORM(dst->w, dst->h);
|
|
GLuint fbo = gfx_set_framebuffer(GL_DRAW_FRAMEBUFFER, dst, 0, 0, dst->w, dst->h);
|
|
|
|
struct gfx_render_job job = {
|
|
.shader = &shader.s,
|
|
.texture = 0,
|
|
.world_transform = mw_transform[0],
|
|
.view_transform = wv_transform[0],
|
|
.data = NULL
|
|
};
|
|
glBlendFuncSeparate(GL_ZERO, GL_ONE, GL_ONE, GL_ZERO);
|
|
gfx_render(&job);
|
|
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
|
|
|
|
gfx_reset_framebuffer(GL_DRAW_FRAMEBUFFER, fbo);
|
|
return true;
|
|
}
|
|
|
|
HLL_LIBRARY(FillAngle,
|
|
HLL_EXPORT(FillAngleAMAP, FillAngle_FillAngleAMAP)
|
|
);
|