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/*******************************************************************************************
*
* raylib [models] example - magicavoxel loader and viewer
*
* This example has been created using raylib 3.8 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Example contributed by Johann Nadalutti
*
* Copyright (c) 2021 Johann Nadalutti
*
********************************************************************************************/
#include "raylib.h"
#include "raymath.h"
#include <string.h>
// VOX Files to load and view
#define NUM_VOX_FILES 3
const char* szVoxFiles[] = {
"resources/vox/chr_knight.vox",
"resources/vox/chr_sword.vox",
"resources/vox/monu9.vox"
};
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [models] example - magicavoxel loading");
// Load MagicaVoxel files
Model models[NUM_VOX_FILES] = { 0 };
for (int i = 0; i < NUM_VOX_FILES; i++)
{
// Load MagicaVoxel File and build model
double t0, t1;
t0 = GetTime() * 1000.0;
models[i] = LoadModel(szVoxFiles[i]);
t1 = GetTime() * 1000.0;
TraceLog(LOG_INFO, TextFormat("Vox <%s> loaded in %f ms", GetFileName(szVoxFiles[i]), t1 - t0));
//Compute model matrix
BoundingBox bb = GetModelBoundingBox(models[i]);
Vector3 center;
center.x = -(((bb.max.x - bb.min.x) / 2));
center.y = -(((bb.max.y - bb.min.y) / 2));
center.z = -(((bb.max.z - bb.min.z) / 2));
Matrix matP = MatrixTranslate(center.x, center.z, 0);
Matrix matR = MatrixRotateX(90 * DEG2RAD);
models[i].transform = MatrixMultiply(matP, matR);
}
// Define the camera to look into our 3d world
Camera camera = { { 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f, 0 };
// Model drawing position
Vector3 position = { 0.0f, 0.0f, 0.0f };
int currentModel = 0;
SetCameraMode(camera, CAMERA_ORBITAL); // Set a orbital camera mode
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
//--------------------------------------------------------------------------------------
while (!WindowShouldClose()) // Detect window close button or ESC key
{
//--------------------------------------------------------------------------------------
// Update
//----------------------------------------------------------------------------------
UpdateCamera(&camera); // Update internal camera and our camera
if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
{
currentModel = (currentModel + 1) % NUM_VOX_FILES; // Cycle between models
}
if (IsKeyPressed(KEY_RIGHT))
{
currentModel++;
if (currentModel >= NUM_VOX_FILES) currentModel = 0;
}
else if (IsKeyPressed(KEY_LEFT))
{
currentModel--;
if (currentModel < 0) currentModel = NUM_VOX_FILES - 1;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
//Display model
BeginMode3D(camera);
Vector3 rotAxis = { 1,0,0 };
Vector3 scale = { 1,1,1 };
DrawModelEx(models[currentModel], position, rotAxis, 0, scale, WHITE);
//DrawModelWiresEx(models[currentModel], position, rotAxis, -90.0f, scale, BLACK);
DrawGrid(10, 1.0);
EndMode3D();
//Display debug infos
DrawRectangle(30, 400, 310, 30, Fade(SKYBLUE, 0.5f));
DrawRectangleLines(30, 400, 310, 30, Fade(DARKBLUE, 0.5f));
DrawText("MOUSE LEFT BUTTON to CYCLE VOX MODELS", 40, 410, 10, BLUE);
DrawText(GetFileName(szVoxFiles[currentModel]), 100, 10, 20, DARKBLUE);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
// Unload models data (GPU VRAM)
for (int i = 0; i < NUM_VOX_FILES; i++) UnloadModel(models[i]);
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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