How to: tiles in 3dgs

BMAP* bmap_tile[MAX_TILES];

for(i = 0; i < SIZE_X; i++) {
	for(j = 0; j < SIZE_Y; j++) {
		
		if(array[i][j] > 0) draw_quad(bmap_tile[array[i][j]-1],vector(i*64,j*64,0),NULL,NULL,NULL,NULL,100,0);
		
	}
	
}

BMAP* bmap_tile[MAX_TILES];
int x, y;

for(y=0; y<SIZE_Y; y++) {
	for(x=0; x<SIZE_X; x++) {
		if(tilemap[y][x]) draw_quad(bmap_tile[tilemap[y][x]],vector(x<<3,y<<3,0),NULL,NULL,NULL,NULL,100,0);
	}
}

unsigned int4 base = tex2D(baseSampler, texCoord.xy);
switch (base.x) {
case 1:
    float3 out = tex2D(tile1Sampler, fmod(texCoord.xy*TILE_SIZE, TILE_SIZE);
    break;
...
}

///////////////////////////////
#include <acknex.h>
#include <default.c>
#include <stdio.h>

///////////////////////////////

void createFile();
void createAdvanced();
void clickAround();

BMAP *sand = "b1.tga";
BMAP *gras = "b2.tga";

STRING *line = "";

ENTITY *wall;

void main()
{
	mouse_mode = 4;
	mouse_pointer = 2;
	mouse_sync = 1;
	video_switch(10, 32, 2);
	wait(1);
	level_load("");
	
	createAdvanced();
	
	camera.pan = 90;
	camera.y = -512;
	camera->flags |= ISOMETRIC;
	camera.arc = 20;
	
	clickAround();
}

void clickAround()
{
	VECTOR to;
	
	while(1)
	{
		if(mouse_left)
		{
			vec_set(to, mouse_dir3d);
			vec_scale(to, 1000);
			vec_add(to,mouse_pos3d);
			c_trace(mouse_pos3d, to, USE_POLYGON | SCAN_TEXTURE);
			if(hit.entity != NULL)
			{
				ENTITY *w = hit.entity;
				var s = hit.triangle;
				if(s % 2 != 0) { s++; }
				s /= 2;
				int v1 = ((s - 1) * 4) + 1;
				CONTACT *c = ent_getvertex(w, NULL, v1);
				c.v = NULL;
				c.x += 8;
				ent_setvertex(w, c, v1);
				
				c = ent_getvertex(w, NULL, v1 + 1);
				c.v = NULL;
				c.x -= 8;
				ent_setvertex(w, c, v1 + 1);
				
				c = ent_getvertex(w, NULL, v1 + 2);
				c.v = NULL;
				c.x += 8;
				ent_setvertex(w, c, v1 + 2);
				
				c = ent_getvertex(w, NULL, v1 + 3);
				c.v = NULL;
				c.x -= 8;
				ent_setvertex(w, c, v1 + 3);
			}
			while(mouse_left) { wait(1); }
		}
		wait(1);
	}
}

void createAdvanced()
{
	int px, py;
	int x, y;
	double rx, ry;
	int i = 0;
	STRING *f = str_create("");
	int mesh = 0;
	
	BMAP *map01 = bmap_createblack(320, 320, 32);
	
	for(px = 0; px < 1; px++)
	{
		for(py = 0; py < 1; py++)
		{
			str_printf(f, "mesh%.0f.obj", (double)mesh);
			
			FILE *file = fopen(f.chars, "wb");
			
			for(y = 0; y < 20; y++)
			{
				for(x = 0; x < 20; x++)
				{
					rx = x * 8;
					ry = -y * 8;
					str_printf(line, "v %.0f %.0f 0\n", rx, ry);
					fputs(line.chars, file);
					str_printf(line, "v %.0f %.0f 0\n", rx + 8, ry);
					fputs(line.chars, file);
					str_printf(line, "v %.0f %.0f 0\n", rx, ry - 8);
					fputs(line.chars, file);
					str_printf(line, "v %.0f %.0f 0\n", rx + 8, ry - 8);
					fputs(line.chars, file);
				}
			}
			
			fputs("\n", file);
			
			for(y = 0; y < 20; y++)
			{
				for(x = 0; x < 20; x++)
				{
					str_printf(line, "vt %.3f %.3f\n", (double)x / 20.0, (double)y / 20.0);
					fputs(line.chars, file);
					str_printf(line, "vt %.3f %.3f\n", ((double)x + 1) / 20.0, (double)y / 20.0);
					fputs(line.chars, file);
					str_printf(line, "vt %.3f %.3f\n", (double)x / 20.0, ((double)y + 1) / 20.0);
					fputs(line.chars, file);
					str_printf(line, "vt %.3f %.3f\n", ((double)x + 1) / 20.0, ((double)y +1) / 20.0);
					fputs(line.chars, file);
					
					bmap_blit(map01, sand, vector(x * 16, y * 16, 0), NULL);
				}
			}
			
			fputs("\n", file);
			
			for(i = 0; i < 400; i++)
			{
				double v1 = i * 4 + 1;
				double v2 = v1 + 1;
				double v3 = v1 + 2;
				double v4 = v1 + 3;
				str_printf(line, "g plane%.0f\n", (double)i);
				fputs(line.chars, file);
				str_printf(line, "f %.0f/%.0f %.0f/%.0f %.0f/%.0f\n", v3, v3, v2, v2, v1, v1);
				fputs(line.chars, file);
				str_printf(line, "f %.0f/%.0f %.0f/%.0f %.0f/%.0f\n", v3, v3, v4, v4, v2, v2);
				fputs(line.chars, file);
			}
			
			fclose(file);
			
			wall = ent_create(f, vector(px * 160, 0, py * 160), NULL);
			
			ent_setskin(wall, map01, 1);
			mesh++;
		}
	}
	
	str_remove(f);
}