GRRLIB/examples/NEED_GRRLIB_FUNCTION/source/main.c.nice.working

/*===========================================
    NoNameNo
    Simple Flat 3D cube
============================================*/
#include <grrlib.h>

#include <stdlib.h>
#include <math.h>
#include <malloc.h>
#include <wiiuse/wpad.h>

#include "gfx/font.h"

extern Mtx _GRR_view;

int main() {
    float a=0;
    u32 col[3] = {0xFF0000FF, 0x00FF00FF, 0x0000FFFF};
    GXLightObj MyLight;
    u8 Amb=0;
    f32 zlight=6.0f;

    GRRLIB_Init();
    WPAD_Init();

    GRRLIB_texImg *tex_font = GRRLIB_LoadTexture(font);
    GRRLIB_InitTileSet(tex_font, 16, 16, 32);

    GRRLIB_Settings.antialias = true;

    GRRLIB_SetBackgroundColour(0x00, 0x00, 0x00, 0xFF);
    GRRLIB_Camera3dSettings(0.0f,0.0f,6.0f, 0,1,0, 0,0,0);

    while(1) {
        GRRLIB_2dMode();
        WPAD_ScanPads();
        if(WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME) exit(0);
        if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_PLUS){if(Amb<255) Amb++; }
        if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_MINUS){if(Amb>0) Amb--; }
        if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_A){zlight++; }
        if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_B){zlight--; }


        GRRLIB_3dMode(0.1,1000,45,1,0,0);

	 GX_ClearVtxDesc();
	 GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
         GX_SetVtxDesc(GX_VA_NRM, GX_DIRECT);
         GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT);

         GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_F32, 0);
         GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_NRM, GX_NRM_XYZ, GX_F32, 0);
         GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);

   	 GX_SetTevOp(GX_TEVSTAGE0, GX_PASSCLR);

////////////////////////////////////////
        guVector lpos ={0.0f,0.0f,zlight};
        guVecMultiply(_GRR_view, &lpos, &lpos);
        GX_InitLightPos(&MyLight, lpos.x, lpos.y, lpos.z);
        GX_InitLightColor(&MyLight, (GXColor) { 255, 255, 255, 255 });
        GX_InitLightAttn(&MyLight, 1.0F, 0.0F, 0.0F, 1.0F, 0.0F, 0.0F );
        GX_LoadLightObj(&MyLight, GX_LIGHT0);

        GX_SetNumChans(1);
        GX_SetChanCtrl(GX_COLOR0A0, GX_ENABLE, GX_SRC_REG, GX_SRC_VTX, GX_LIGHT0, GX_DF_CLAMP, GX_AF_SPOT);
        GX_SetChanAmbColor(GX_COLOR0A0, (GXColor) {  Amb,  Amb, Amb,  255 });
////////////////////////////////////////
        GRRLIB_ObjectView(0,0,0, a,a*2,a*3);
        GX_Begin(GX_QUADS, GX_VTXFMT0, 24);
            GX_Position3f32(-1.0f,1.0f,1.0f);
              GX_Normal3f32(0.0f,0.0f,1.0f);
             GX_Color1u32(col[0]);
            GX_Position3f32(1.0f,1.0f,1.0f);
              GX_Normal3f32(0.0f,0.0f,1.0f);
             GX_Color1u32(col[0]);
            GX_Position3f32(1.0f,-1.0f,1.0f);
              GX_Normal3f32(0.0f,0.0f,1.0f);
             GX_Color1u32(col[0]);
            GX_Position3f32(-1.0f,-1.0f,1.0f);
              GX_Normal3f32(0.0f,0.0f,1.0f);
             GX_Color1u32(col[0]);

            GX_Position3f32(-1.0f,1.0f,-1.0f);
              GX_Normal3f32(0.0f,0.0f,-1.0f);
             GX_Color1u32(col[0]);
            GX_Position3f32(1.0f,1.0f,-1.0f);
              GX_Normal3f32(0.0f,0.0f,-1.0f);
             GX_Color1u32(col[0]);
            GX_Position3f32(1.0f,-1.0f,-1.0f);
              GX_Normal3f32(0.0f,0.0f,-1.0f);
             GX_Color1u32(col[0]);
            GX_Position3f32(-1.0f,-1.0f,-1.0f);
              GX_Normal3f32(0.0f,0.0f,-1.0f);
             GX_Color1u32(col[0]);

            GX_Position3f32(-1.0f,1.0f,-1.0f);
              GX_Normal3f32(0.0f,1.0f,0.0f);
             GX_Color1u32(col[1]);
            GX_Position3f32(1.0f,1.0f,-1.0f);
              GX_Normal3f32(0.0f,1.0f,0.0f);
             GX_Color1u32(col[1]);
            GX_Position3f32(1.0f,1.0f,1.0f);
              GX_Normal3f32(0.0f,1.0f,0.0f);
             GX_Color1u32(col[1]);
            GX_Position3f32(-1.0f,1.0f,1.0f);
              GX_Normal3f32(0.0f,1.0f,0.0f);
             GX_Color1u32(col[1]);

            GX_Position3f32(-1.0f,-1.0f,-1.0f);
              GX_Normal3f32(0.0f,-1.0f,0.0f);
             GX_Color1u32(col[1]);
            GX_Position3f32(1.0f,-1.0f,-1.0f);
              GX_Normal3f32(0.0f,-1.0f,0.0f);
             GX_Color1u32(col[1]);
            GX_Position3f32(1.0f,-1.0f,1.0f);
              GX_Normal3f32(0.0f,-1.0f,0.0f);
             GX_Color1u32(col[1]);
            GX_Position3f32(-1.0f,-1.0f,1.0f);
              GX_Normal3f32(0.0f,-1.0f,0.0f);
             GX_Color1u32(col[1]);

            GX_Position3f32(-1.0f,1.0f,-1.0f);
              GX_Normal3f32(-1.0f,0.0f,0.0f);
             GX_Color1u32(col[2]);
            GX_Position3f32(-1.0f,1.0f,1.0f);
              GX_Normal3f32(-1.0f,0.0f,0.0f);
             GX_Color1u32(col[2]);
            GX_Position3f32(-1.0f,-1.0f,1.0f);
              GX_Normal3f32(-1.0f,0.0f,0.0f);
             GX_Color1u32(col[2]);
            GX_Position3f32(-1.0f,-1.0f,-1.0f);
              GX_Normal3f32(-1.0f,0.0f,0.0f);
             GX_Color1u32(col[2]);

            GX_Position3f32(1.0f,1.0f,-1.0f);
              GX_Normal3f32(1.0f,0.0f,0.0f);
             GX_Color1u32(col[2]);
            GX_Position3f32(1.0f,1.0f,1.0f);
              GX_Normal3f32(1.0f,0.0f,0.0f);
             GX_Color1u32(col[2]);
            GX_Position3f32(1.0f,-1.0f,1.0f);
              GX_Normal3f32(1.0f,0.0f,0.0f);
             GX_Color1u32(col[2]);
            GX_Position3f32(1.0f,-1.0f,-1.0f);
              GX_Normal3f32(1.0f,0.0f,0.0f);
             GX_Color1u32(col[2]);

        GX_End();
        a+=0.5f;

///////////////// DISABLE LIGHT/////////////////////////////
    GX_SetNumChans(1);
    GX_SetChanCtrl(
        GX_COLOR0A0,
        GX_DISABLE,  // disable channel
        GX_SRC_VTX,  // amb source
        GX_SRC_VTX,  // mat source
        0,           // light mask
        GX_DF_NONE,  // diffuse function
        GX_AF_NONE);
    GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
///////////////////////////////////////////////////////////////

        // Switch To 2D Mode to display text
        GRRLIB_2dMode();
        GRRLIB_Printf((640-(16*40))/2, 20, tex_font, 0xFFFFFFFF, 1, "PRESS PLUS OR MINUS TO PLAY WITH AMBIENT");
        GRRLIB_Printf((640-(16*15))/2, 36, tex_font, 0xFFFFFFFF, 1, "AMBIENT = 0X%02X%02X%02XFF",Amb,Amb,Amb,Amb);
        GRRLIB_Printf((640-(16*15))/2, 52, tex_font, 0xFFFFFFFF, 1, "ZLIGHT = %f",zlight);

        GRRLIB_Render();
    }
    GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB
    GRRLIB_FreeTexture(tex_font);

    exit(0);
}