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goldsrc-cheat
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Add gl_drawline to util.c

This commit is contained in:
8dcc 2023-07-23 01:18:24 +02:00
parent 9ec237509d
commit 5aa85bc274
2 changed files with 25 additions and 0 deletions
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7
src/include/util.h
View File

@ -1,12 +1,18 @@
#ifndef UTIL_H_
#define UTIL_H_
#include <stdint.h>
#include "sdk.h"
#include "globals.h"
/* Vector 2 for 2d points */
typedef float vec2_t[2];
/* RGB color */
typedef struct {
uint8_t r, g, b;
} rgb_t;
/*----------------------------------------------------------------------------*/
bool is_alive(cl_entity_t* ent);
@ -15,5 +21,6 @@ char* get_name(int ent_idx);
vec3_t vec3(float x, float y, float z);
bool vec_is_zero(vec3_t v);
bool world_to_screen(vec3_t vec, vec2_t screen);
void gl_drawline(int x0, int y0, int x1, int y1, float w, rgb_t col);
#endif /* UTIL_H_ */

18
src/util.c
View File

@ -3,6 +3,8 @@
#include "include/sdk.h"
#include "include/globals.h"
#include <GL/gl.h>
bool is_alive(cl_entity_t* ent) {
return ent && ent->curstate.movetype != 6 && ent->curstate.movetype != 0;
}
@ -54,3 +56,19 @@ bool world_to_screen(vec3_t vec, vec2_t screen) {
return false;
}
void gl_drawline(int x0, int y0, int x1, int y1, float w, rgb_t col) {
const int alpha = 255;
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4ub(col.r, col.g, col.b, alpha); /* Set colors + alpha */
glLineWidth(w); /* Set line width */
glBegin(GL_LINES); /* Interpret vertices as lines */
glVertex2i(x0, y0); /* Start */
glVertex2i(x1, y1); /* End */
glEnd(); /* Stop glBegin, end line mode */
glEnable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
}