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shadow

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This commit is contained in:
Nishi 2026-01-05 23:02:30 +09:00
commit 8ea9cdf08c
Signed by: nishi
GPG key ID: 27EF69B208EB9343
8 changed files with 108 additions and 43 deletions
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47
client/gl.c
View file

@ -11,7 +11,9 @@ double gl_cam_z;
int gl_scene = AF_SCENE_MAIN;
static GLuint shadow_texture, shadow;
GLuint gl_shadow;
static GLuint shadow_texture;
gl_scene_t gl_scenes[] = {
{gl_main_changed, gl_main_init, gl_main_draw, gl_main_after}, /**/
@ -25,7 +27,7 @@ void gl_resize(int width, int height) {
}
void gl_init(void) {
GLfloat lightamb[] = {0.1, 0.1, 0.1, 1.0};
GLfloat lightamb[] = {0.25, 0.25, 0.25, 1.0};
GLfloat lightcol[] = {1.0, 1.0, 1.0, 1.0};
glEnable(GL_DEPTH_TEST);
@ -70,9 +72,10 @@ void gl_init(void) {
glBindTexture(GL_TEXTURE_2D, 0);
if(gl_shader(&shadow, DATAROOTDIR "/assaultfish/shadow.vs", DATAROOTDIR "/assaultfish/shadow.fs")) {
glUseProgram(shadow);
glUniform1i(glGetUniformLocation(shadow, "texture"), 1);
if(gl_shader(&gl_shadow, DATAROOTDIR "/assaultfish/shadow.vs", DATAROOTDIR "/assaultfish/shadow.fs")) {
glUseProgram(gl_shadow);
glUniform1i(glGetUniformLocation(gl_shadow, "texture"), 1);
glUniform1i(glGetUniformLocation(gl_shadow, "texture_in"), 0);
}
}
@ -109,16 +112,34 @@ void gl_cube(double x, double y, double z, double xs, double ys, double zs, doub
}
static void gl_common(void) {
char buf[128];
char buf1[128];
char buf2[128];
int l;
gl_util_begin_2d();
glColor4f(0, 0, 0, 0.5);
sprintf(buf1, "AssaultFish %s", AF_VERSION);
sprintf(buf2, "%s", AF_COPYRIGHT);
l = gl_font_width(buf1);
if(l < gl_font_width(buf2)) l = gl_font_width(buf2);
glBegin(GL_QUADS);
glVertex2f(MwGetInteger(opengl, MwNwidth) - l, MwGetInteger(opengl, MwNheight) - gl_font_height(buf1) - gl_font_height(buf2));
glVertex2f(MwGetInteger(opengl, MwNwidth) - l, MwGetInteger(opengl, MwNheight));
glVertex2f(MwGetInteger(opengl, MwNwidth), MwGetInteger(opengl, MwNheight));
glVertex2f(MwGetInteger(opengl, MwNwidth), MwGetInteger(opengl, MwNheight) - gl_font_height(buf1) - gl_font_height(buf2));
glEnd();
glColor3f(1, 1, 1);
sprintf(buf, "AssaultFish %s", AF_VERSION);
gl_font_text(buf, MwGetInteger(opengl, MwNwidth) - gl_font_width(buf), MwGetInteger(opengl, MwNheight) - gl_font_height(buf) * 2, 1);
gl_font_text(buf1, MwGetInteger(opengl, MwNwidth) - gl_font_width(buf1), MwGetInteger(opengl, MwNheight) - gl_font_height(buf1) - gl_font_height(buf2), 1);
sprintf(buf, "%s", AF_COPYRIGHT);
gl_font_text(buf, MwGetInteger(opengl, MwNwidth) - gl_font_width(buf), MwGetInteger(opengl, MwNheight) - gl_font_height(buf), 1);
gl_font_text(buf2, MwGetInteger(opengl, MwNwidth) - gl_font_width(buf2), MwGetInteger(opengl, MwNheight) - gl_font_height(buf2), 1);
gl_font_text(gl_status, 0, 0, 1);
gl_util_end_2d();
}
static void scene(void) {
@ -157,9 +178,11 @@ void gl_render(void) {
scene();
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, shadow_texture);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, SHADOW_WIDTH, SHADOW_HEIGHT);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE0);
glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
@ -201,8 +224,6 @@ void gl_render(void) {
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE0);
glUseProgram(0);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
@ -210,8 +231,6 @@ void gl_render(void) {
gl_common();
glUseProgram(shadow);
if(gl_scenes[gl_scene].after != NULL) gl_scenes[gl_scene].after();
}

29
client/gl_font.c
View file

@ -25,21 +25,11 @@ void gl_font_text(const char* text, int x, int y, double scale) {
int gw = font_width / 16 * scale, gh = font_height / 16 * scale;
int is = glIsEnabled(GL_TEXTURE_2D) ? 1 : 0;
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glDisable(GL_CULL_FACE);
gl_util_begin_2d();
if(!is) glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, font_atlas);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, MwGetInteger(opengl, MwNwidth), MwGetInteger(opengl, MwNheight), 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glBegin(GL_QUADS);
for(i = 0; text[i] != 0; i++) {
double bx = 1.0 / 16 * (text[i] % 16), by = 1.0 / 16 * (text[i] / 16);
@ -55,19 +45,10 @@ void gl_font_text(const char* text, int x, int y, double scale) {
}
glEnd();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glBindTexture(GL_TEXTURE_2D, 0);
if(!is) glEnable(GL_TEXTURE_2D);
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
if(!is) glDisable(GL_TEXTURE_2D);
gl_util_end_2d();
}
int gl_font_width(const char* text) {

7
client/gl_main.c
View file

@ -1,5 +1,7 @@
#include <af_common.h>
#include <stb_image.h>
static double rad;
void gl_main_changed(void) {
@ -18,6 +20,8 @@ void gl_main_init(void) {
void gl_main_draw(void) {
int i;
glUniform1f(glGetUniformLocation(gl_shadow, "solid_color"), 1);
glPushMatrix();
glRotatef(rad, 1, 0, 0);
glRotatef(rad, 0, 1, 0);
@ -31,6 +35,7 @@ void gl_main_draw(void) {
glColor3f(c ? 0.75 : 0, 0, c ? 0 : 0.75);
glBegin(GL_TRIANGLES);
glNormal3f(n[0], n[1], n[2]);
glVertex3f(0, u * 1.4, 0);
glVertex3f(-u, 0, u);
@ -53,6 +58,8 @@ void gl_main_draw(void) {
glVertex3f(5, -1, 5);
glVertex3f(5, -1, -5);
glEnd();
glUniform1f(glGetUniformLocation(gl_shadow, "solid_color"), 0);
}
void gl_main_after(void) {

4
client/gl_shader.c
View file

@ -53,6 +53,8 @@ int gl_shader(GLuint* r, const char* vs, const char* fs) {
glDeleteShader(fsi);
free(vss);
free(fss);
printf("%s: compilation failure\n", vs);
return 0;
}
@ -63,6 +65,8 @@ int gl_shader(GLuint* r, const char* vs, const char* fs) {
glDeleteShader(fsi);
free(vss);
free(fss);
printf("%s: compilation failure\n", fs);
return 0;
}

34
client/gl_util.c Normal file
View file

@ -0,0 +1,34 @@
#include <af_common.h>
void gl_util_begin_2d(void) {
glUseProgram(0);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glDisable(GL_CULL_FACE);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, MwGetInteger(opengl, MwNwidth), MwGetInteger(opengl, MwNheight), 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
}
void gl_util_end_2d(void) {
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
glUseProgram(gl_shadow);
}