Code/RPGMaker

Orthogonal projection coordinate system 만들기

	public void onSurfaceChanged(GL10 gl, int width, int height) {
		
		this.m_width = width;
		this.m_height = height;
		
		if(buffer == null) {
			
			Util.LOGD("make framebuffer");
			world = new World();
			m_cam = world.getCamera();
			
			// light mass
			world.setAmbientLight(0xff, 0xff, 0xff);
			
			// making background plane
			float[] coordinates = { // position of vertices
				0.0f, 0.0f, 0.0f,
				m_width, 0.0f, 0.0f,
				0.0f, m_height, 0.0f,
				m_width, m_height, 0.0f
			};

			float[] uvs = { // how uv mapped?
				0.0f, 0.0f, 
				1.0f, 0.0f, 
				0.0f, 1.0f, 
				1.0f, 1.0f
			};
			
			int[] indices = { // index of each coordinate
				0, 2, 1,
				1, 2, 3
			};

			// make plane
			Object3D plane = new Object3D(coordinates, uvs, indices, RMObject2D.getTextureIDByColor(Color.white));
			plane.build();
			Util.LOGD("center: " + plane.getTransformedCenter());
			world.addObject(plane);
			
			// FOV settings
			m_cam.setFOVLimits(0.1f, 2.0f);
			m_cam.setFOV(0.1f);
			
			// set up camera
			// z = (width/2) / tan(fov/2)
			m_cam.setPosition(m_width/2, m_height/2, (float) -(m_width/2/Math.tan(m_cam.getFOV()/2.0f)));
			m_cam.lookAt(plane.getTransformedCenter());
			fixCubePosition();
			
			// configuration to view far object
			Config.farPlane = Math.abs(m_cam.getPosition().z) + 1000f;
		}
		
		// make framebuffer
		if(buffer != null)
			buffer.dispose();
		buffer = new FrameBuffer(m_width, m_height, FrameBuffer.SAMPLINGMODE_NORMAL);
	}

FillBox class

package cau.rpg.maker.object;

import java.awt.Color;

import javax.vecmath.Vector2f;

import com.threed.jpct.Object3D;

public class RMFillBox extends RMObject2D {

	public RMFillBox(float x1, float y1, float x2, float y2, Color color)
	{
		init(x1, y1, x2, y2, color);
	}
	
	public RMFillBox(Vector2f vStart, Vector2f vEnd, Color color)
	{
		init(vStart.x, vStart.y, vEnd.x, vEnd.y, color);
	}
	
	private void init(float x1, float y1, float x2, float y2, Color color)
	{
		if(x1 >= x2 || y1 >= y2)
			return;
		
		float z = -10f;
		
		float[] coords = {
			x1, y1, z,		// up left
			x1, y2, z,		// bottom left
			x2, y1, z,		// up right
			x2, y2, z		// bottom right corner
		};
		
		float[] uvs = {
			0f, 0f,
			0f, 1f,
			1f, 0f,
			1f, 1f
		};
		
		int[] indices = {
			0, 1, 2,
			2, 1, 3
		};
		
		m_polygon = new Object3D(coords, uvs, indices, getTextureIDByColor(color));
	}
}

2D line class

package cau.rpg.maker.object;

import java.awt.Color;

import javax.vecmath.Vector2f;
import javax.vecmath.Vector3f;

import com.threed.jpct.Object3D;

public class RMLine extends RMObject2D {
	
	private static final Vector3f vectorZ = new Vector3f(0, 0, -1);
	
	public RMLine(Vector2f vStart, Vector2f vEnd, float width, Color color)
	{
		float z = -10f;
		Vector3f v3Start = new Vector3f(vStart.x, vStart.y, z);
		Vector3f v3End = new Vector3f(vEnd.x, vEnd.y, z);
		
		// line vector
		Vector3f lineVector = new Vector3f();
		lineVector.sub(v3End, v3Start);
		
		// calc normal vector of line
		Vector3f normal = new Vector3f();
		normal.cross(lineVector, vectorZ);
		normal.normalize();
		normal.scale(width/2.0f);
		
		float[] coords = {
			(vStart.x + normal.x), (vStart.y + normal.y), z,
			(vStart.x - normal.x), (vStart.y - normal.y), z,
			(vEnd.x + normal.x), (vEnd.y + normal.y), z,
			(vEnd.x - normal.x), (vEnd.y - normal.y), z
		};
		
		float[] uvs = {
			0f, 0f,
			0f, 1f,
			1f, 0f,
			1f, 1f
		};
		
		int[] indices = {
			0, 2, 1,
			1, 2, 3
		};
		
		m_polygon = new Object3D(coords, uvs, indices, getTextureIDByColor(color));
	}

}

Interpolation

	public void setDepth(float depth)
	{
		float delta = depth - this.depth;
		
		// move object
		SimpleVector curPosition = m_polygon.getTransformedCenter();
		SimpleVector toCam = MainRenderer.getCamera().getPosition().calcSub(curPosition);
		float a = MainRenderer.getCamera().getPosition().z - this.depth;
		toCam.scalarMul(delta/a);
		m_polygon.translate(toCam);
		Util.LOGD("translate to " + toCam);
		
		// scale
		m_polygon.scale((a-delta)/a);
		
		this.depth = depth;
	}

Table 클래스의 구현

# Table class
# a 3-dimensional array2 stores 2Byte integer
# Uses hash table internally.
class Table
  def initialize(xsize=1, ysize=1, zsize=1)
    resize(xsize, ysize, zsize)
  end
  
  def resize xsize, ysize, zsize
    @array = Hash.new
    @xsize = xsize
    @ysize = ysize
    @zsize = zsize
  end
  
  def self.resize xsize, ysize, zsize
    puts "resize to (#{xsize}, #{ysize}, #{zsize})"
    @array = Hash.new
    @xsize = xsize
    @ysize = ysize
    @zsize = zsize
  end

  def [] *args
    x=0
    y=0
    z=0
    if args.length > 0
      x = args[0]
    end
    if args.length > 1
      y = args[1]
    end
    if args.length > 2
      z = args[2]
    end  
    return @arrayx, y, z
  end
  
  def []= *args
    value = args[args.size-1]
    args.delete_at(args.size-1)
    
    x=0
    y=0
    z=0
    if args.length > 0
      x = args[0]
    end
    if args.length > 1
      y = args[1]
    end
    if args.length > 2
      z = args[2]
    end

    @arrayx, y, z = value
  end
  
  def self._load args
    header = args.unpack("l5")
    table = args.unpack("@20s*")
    puts header.inspect
    puts table.inspect
    
    resize(header[1], header[2], header[3])
    
    i=-1
    for z in 0 .. @zsize-1
      for y in 0 .. @ysize-1
        for x in 0 .. @xsize-1
          @arrayx, y, z = table[i = i+1]
          puts "array put #{table[i]}"
        end
      end
    end
  end

  attr_accessor :xsize
  attr_accessor :ysize
  attr_accessor :zsize
end

Actors.rvdata Parser: advanced(위 parser 코드와 이어짐)

	public void parse2(InputStream is) throws IOException
	{
		is.skip(3);
		int numChar = is.read()-6;
		Util.LOGD("캐릭터 수: " + numChar);
		
		int data;
		byte[] buf;
		while((data = is.read()) != -1) {
			// RPG::Actor(시그니쳐) 찾은 경우
			if(finder_actor[0].addChar((byte) data)) {
				
				// 입력받을 클래스 변수 수
				int numArgs = get_int(is.read());
				
				// 변수 순서가 저장될 행렬
				String result = null;
				List<String> argList = new ArrayList<String>();
				
				// 첫번째 캐릭터
				for(int i=0; i<numArgs; i++) {
					for(;is.read() != 0x3a;);	// 다음 구분자까지 읽는다
					
					// 이름 길이
					int elementNameLen = get_int(is.read());
					buf = new byte[elementNameLen];
					
					// 변수 이름 입력
					is.read(buf);
					result = new String(buf);
					
					// 변수에 들일 값 읽기
					String value = getValue(is);
					Util.LOGD("발견!" + result + " value: " + value);
					argList.add(result);

					// 테이블은 있으면 개수에 포함하지 않는다
					if(value.equals("u"))
						i--;
				}
				
				// 그 이후 캐릭터들
				for(int i=0; i<numChar-1; i++) {
					Util.LOGD((i+2) + "번째 캐릭터 시작");
					for(;is.read() != 0x3b;);	// 시작 시그니쳐 건너뜀
					
					for(int j=0; j<numArgs; j++) {
						for(;is.read() != 0x3b;);	// 다음 구분자까지
						
						// 변수 순서
						int index = get_int(is.read());
						String value = getValue(is);
						
						// 변수값 읽기
						Util.LOGD("발견!" + argList.get(index-1) + " value: " + value);

						// 테이블은 있으면 개수에 포함하지 않는다
						if(value.equals("u"))
							j--;
					}
				}
			}
		}
	}


	
	
	private String getValue(InputStream is) throws IOException
	{
		byte type = (byte) is.read();
		String result = null;
		switch(type) {
		case 0x02:	// table
			result = "table start";
			read_table(is);
			break;
		case '"':	//str
			int len = get_int(is.read());
			if(len < 0)
				len = readShort(is);
			byte[] str = new byte[len];
			is.read(str);
			result = new String(str);
			break;
		case 'i':	// int
			int value = get_int(is.read());
			result = String.valueOf(value);
			break;
		case 'T':
		case 'F':
			result = String.valueOf(type == 'T');
			break;
		case 'u':
			result = "u";
		}
		
		return result;
	}