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