package org.pileus.spades;
+import java.util.Map;
+import java.util.HashMap;
+
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
+ "varying vec2 v_mapping;"
+ "void main() {"
+ " gl_Position = u_proj"
- + " * u_model"
+ " * u_view"
+ + " * u_model"
+ " * a_position;"
+ " v_mapping = a_mapping;"
+ "}";
+ "}";
/* Drawing data */
- private final float vertCoords[] = {
- -0.063f, 0.088f, 0f, // Standard poker size:
- -0.063f, -0.088f, 0f, // 2.5in x 3.5in
- 0.063f, -0.088f, 0f, // 63mm x 88mm
- 0.063f, 0.088f, 0f, //
+ private final float faceCoords[] = {
+ -0.063f, 0.088f, 0.05f, // Standard poker size:
+ -0.063f, -0.088f, 0.05f, // 2.5in x 3.5in
+ 0.063f, -0.088f, 0.05f, // 63mm x 88mm
+ 0.063f, 0.088f, 0.05f, //
+ };
+
+ private final float backCoords[] = {
+ 0.063f, 0.088f, 0.05f, // Standard poker size:
+ 0.063f, -0.088f, 0.05f, // 2.5in x 3.5in
+ -0.063f, -0.088f, 0.05f, // 63mm x 88mm
+ -0.063f, 0.088f, 0.05f, //
+ };
+
+ private final float tableCoords[] = {
+ -0.75f, 0.75f, 0,
+ -0.75f, -0.75f, 0,
+ 0.75f, -0.75f, 0,
+ 0.75f, 0.75f, 0,
};
private final float mapCoords[] = {
private Resources res; // app resources
private int program; // opengl program
- private float model[]; // model matrix
- private float view[]; // view matrix
- private float proj[]; // projection matrix
+ private float[] model; // model matrix
+ private float[] view; // view matrix
+ private float[] proj; // projection matrix
- private FloatBuffer vertBuf; // vertex position buffer
+ private FloatBuffer faceBuf; // vertex positions for front of card
+ private FloatBuffer backBuf; // vertex positions for back of card
+ private FloatBuffer tableBuf; // vertex positions for table
private FloatBuffer mapBuf; // texture mapping coord buffer
private int modelHandle; // model matrix
private int texHandle; // texture data
private int colorHandle; // color data
- private int face[]; // card face textures
+ private int[] face; // card face textures
private int red; // red card back
private int blue; // blue card back
+ private int table; // table top texture
+
+ private Map<String,Integer> index; // card name to index map
+
+ /* Properties */
+ public String[] hand; // cards to display
/* GLSurfaceView Methods */
public Cards(Context context)
this.face = new int[52];
+ this.hand = new String[] {
+ "As", "7s", "6s", "6h", "2h", "Ac",
+ "Kc", "3c", "10d", "9d", "8d", "7d", "2d"
+ };
+
+ this.index = new HashMap<String,Integer>(52);
+ for (int i = 0; i < 52; i++)
+ this.index.put(this.cards[i], i);
+
this.setEGLContextClientVersion(2);
this.setRenderer(this);
this.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
this.colorHandle = GLES20.glGetUniformLocation(program, "u_color");
/* Create vertex array */
- this.vertBuf = this.loadBuffer(this.vertCoords);
- this.mapBuf = this.loadBuffer(this.mapCoords);
+ this.faceBuf = this.loadBuffer(this.faceCoords);
+ this.backBuf = this.loadBuffer(this.backCoords);
+ this.tableBuf = this.loadBuffer(this.tableCoords);
+ this.mapBuf = this.loadBuffer(this.mapCoords);
/* Load textures */
for (int i = 0; i < 52; i++) {
String name = "card_" + this.cards[i].toLowerCase();
this.face[i] = this.loadTexture(name);
}
- this.red = this.loadTexture("card_red");
- this.blue = this.loadTexture("card_blue");
+ this.red = this.loadTexture("card_red");
+ this.blue = this.loadTexture("card_blue");
+ this.table = this.loadTexture("table");
/* Debug */
Os.debug("Cards: onSurfaceCreate");
/* Turn on the program */
GLES20.glUseProgram(program);
- /* Draw */
+ /* Reset view */
GLES20.glClearColor(0, 0, 0, 1);
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
- GLES20.glUniformMatrix4fv(this.modelHandle, 1, false, this.model, 0);
+ /* Setup projection matricies */
GLES20.glUniformMatrix4fv(this.viewHandle, 1, false, this.view, 0);
GLES20.glUniformMatrix4fv(this.projHandle, 1, false, this.proj, 0);
+ /* Setup buffers objects */
GLES20.glEnableVertexAttribArray(this.vertHandle);
GLES20.glEnableVertexAttribArray(this.mapHandle);
- GLES20.glVertexAttribPointer(this.vertHandle, 3, GLES20.GL_FLOAT, false, 3*4, this.vertBuf);
- GLES20.glVertexAttribPointer(this.mapHandle, 2, GLES20.GL_FLOAT, false, 2*4, this.mapBuf);
+ /* Setup texturing */
+ GLES20.glEnable(GLES20.GL_CULL_FACE);
+ GLES20.glEnable(GLES20.GL_BLEND);
+ GLES20.glBlendFunc(GLES20.GL_ONE, GLES20.GL_ONE_MINUS_SRC_ALPHA);
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
- GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, this.red);
GLES20.glUniform1i(this.texHandle, 0);
- GLES20.glUniform4fv(this.colorHandle, 1, this.color, 0);
-
- GLES20.glDrawArrays(GLES20.GL_TRIANGLE_FAN, 0, 4);
- GLES20.glDisableVertexAttribArray(this.mapHandle);
+ /* Draw "Table" */
+ Matrix.setIdentityM(this.model, 0);
+ GLES20.glUniformMatrix4fv(this.modelHandle, 1, false, this.model, 0);
+ this.drawTable();
+
+ /* Draw cards */
+ int num = this.hand.length;
+ for (int i = 0; i < num; i++) {
+ float ang = 5f * (i + (float)num/5 - (float)num/2f);
+ Matrix.setIdentityM(this.model, 0);
+ Matrix.rotateM(this.model, 0, 45f, 1f, 0f, 0f);
+ Matrix.translateM(this.model, 0, 0f, -0.3f, 1.20f);
+ Matrix.rotateM(this.model, 0, ang, 0f, 0f, -1f);
+ Matrix.translateM(this.model, 0, 0f, 0.15f, 0f);
+ GLES20.glUniformMatrix4fv(this.modelHandle, 1, false, this.model, 0);
+ this.drawCard(this.hand[i]);
+ }
}
@Override
1E-6f, // near
10f); // far
- Matrix.translateM(this.view, 0,
- 0, 0, -2.0f);
- Matrix.rotateM(this.view, 0,
- 90f, 1, 0, 0);
-
- // Set card position
- Matrix.rotateM(this.view, 0,
- -90f, 1, 0, 0);
- Matrix.translateM(this.model, 0,
- 0, 0, 1.5f);
+ Matrix.rotateM(this.view, 0, 10f, 1, 0, 0);
+ Matrix.translateM(this.view, 0, 0, 0, -1.5f);
+ Matrix.rotateM(this.view, 0, -45f, 1, 0, 0);
}
- /* Private methods */
+ /* Private loading methods */
private int loadShader(int type, String code)
{
Os.debug("Cards: loadShader");
return buf;
}
+
+ /* Private drawing methods */
+ private void drawTable()
+ {
+ /* Draw table */
+ GLES20.glVertexAttribPointer(this.vertHandle, 3, GLES20.GL_FLOAT, false, 3*4, this.tableBuf);
+ GLES20.glVertexAttribPointer(this.mapHandle, 2, GLES20.GL_FLOAT, false, 2*4, this.mapBuf);
+ GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, this.table);
+ GLES20.glDrawArrays(GLES20.GL_TRIANGLE_FAN, 0, 4);
+ }
+
+ private void drawCard(String name)
+ {
+ int idx = this.index.get(name);
+ int front = this.face[idx];
+ int back = this.red;
+
+ /* Draw front */
+ GLES20.glVertexAttribPointer(this.vertHandle, 3, GLES20.GL_FLOAT, false, 3*4, this.faceBuf);
+ GLES20.glVertexAttribPointer(this.mapHandle, 2, GLES20.GL_FLOAT, false, 2*4, this.mapBuf);
+ GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, front);
+ GLES20.glDrawArrays(GLES20.GL_TRIANGLE_FAN, 0, 4);
+
+ /* Draw back */
+ GLES20.glVertexAttribPointer(this.vertHandle, 3, GLES20.GL_FLOAT, false, 3*4, this.backBuf);
+ GLES20.glVertexAttribPointer(this.mapHandle, 2, GLES20.GL_FLOAT, false, 2*4, this.mapBuf);
+ GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, back);
+ GLES20.glDrawArrays(GLES20.GL_TRIANGLE_FAN, 0, 4);
+ }
}
projects / ~andy / spades / commitdiff