/**
* 法線を求める
*
* @param V 頂点配列
* @param A 頂点の位置
* @param B 頂点の位置
* @param C 頂点の位置
* @return 法線ベクトル
*/
protected KGLPoint calcNormal(KGLPoint[] V, int A, int B, int C) {
KGLPoint ret = null;
KGLPoint BA = null;
KGLPoint BC = null;
// ベクトルB->A
BA = KGLPoint.vector(V[B], V[A]);
// ベクトルB->C
BC = KGLPoint.vector(V[B], V[C]);
// 法線の計算
ret =
KGLPoint.createXYZ(
BA.Y() * BC.Z() - BA.Z() * BC.Y(),
BA.Z() * BC.X() - BA.X() * BC.Z(),
BA.X() * BC.Y() - BA.Y() * BC.X());
ret.normalize(); // 正規化
return ret;
}
/**
* 描画用マテリアル情報をMQOデータから作成
*
* @param mqomat MQOファイルから読み込んだマテリアル情報
* @param i_mqomat MQOファイルのマテリアル番号
* @param mqoObjs MQOファイルのオブジェクト情報
* @param vn 頂点法線配列
* @return 描画用マテリアル情報
*/
private GLMaterial makeMats(
GL10 gl, material mqomat, int i_mqomat, objects mqoObjs, KGLPoint[] vn) {
GLMaterial ret = new GLMaterial();
ArrayList<KGLPoint> apv = new ArrayList<KGLPoint>();
ArrayList<KGLPoint> apn = new ArrayList<KGLPoint>();
ArrayList<KGLPoint> apuv = new ArrayList<KGLPoint>();
ArrayList<KGLPoint> apc = new ArrayList<KGLPoint>();
KGLPoint wpoint = null;
boolean uvValid = false;
boolean colValid = false;
KGLPoint fn;
float s;
for (int f = 0; f < mqoObjs.face.length; f++) {
if (mqoObjs.face[f].M == null) {
continue;
}
if (mqoObjs.face[f].M != i_mqomat) continue;
fn =
calcNormal(
mqoObjs.vertex, mqoObjs.face[f].V[0], mqoObjs.face[f].V[1], mqoObjs.face[f].V[2]);
for (int v = 0; v < 3; v++) {
apv.add(mqoObjs.vertex[mqoObjs.face[f].V[v]]);
// apv.add(new KGLPoint(mqoObjs.vertex[mqoObjs.face[f].V[v]])) ;
s =
(float)
Math.acos(
fn.X() * vn[mqoObjs.face[f].V[v]].X()
+ fn.Y() * vn[mqoObjs.face[f].V[v]].Y()
+ fn.Z() * vn[mqoObjs.face[f].V[v]].Z());
if (mqoObjs.data.facet < s) {
apn.add(fn);
} else {
apn.add(vn[mqoObjs.face[f].V[v]]);
}
wpoint = new KGLPoint(2);
if (mqoObjs.face[f].UV == null) {
wpoint.set_UV(0, 0);
} else {
wpoint.set_UV(mqoObjs.face[f].UV[v * 2 + 0], mqoObjs.face[f].UV[v * 2 + 1]);
uvValid = true;
}
apuv.add(wpoint);
wpoint = new KGLPoint(4);
if (mqoObjs.face[f].COL == null) {
if (mqomat.data.col == null) {
wpoint.set_COLOR(1.0f, 1.0f, 1.0f, 1.0f);
} else {
wpoint.set_COLOR(
mqomat.data.col[0], mqomat.data.col[1], mqomat.data.col[2], mqomat.data.col[3]);
}
} else {
wpoint.set_COLOR(
mqoObjs.face[f].COL[v * 4 + 0],
mqoObjs.face[f].COL[v * 4 + 1],
mqoObjs.face[f].COL[v * 4 + 2],
mqoObjs.face[f].COL[v * 4 + 3]);
colValid = true;
}
apc.add(wpoint);
}
}
ret.texID = texPool.getGLTexture(gl, mqomat.data.tex, mqomat.data.aplane, false);
// @@@ reload 用
if (ret.texID != 0) {
ret.texName = mqomat.data.tex;
ret.alphaTexName = mqomat.data.aplane;
} else {
ret.texName = null;
ret.alphaTexName = null;
}
if (apv.size() == 0) return null;
uvValid &= (ret.texID != 0);
ret.name = mqomat.name;
// uvValid = false ;
KGLPoint[] wfv = null;
KGLPoint[] wfn = null;
KGLPoint[] wft = null;
KGLPoint[] wfc = null;
wfv = apv.toArray(new KGLPoint[0]);
wfn = apn.toArray(new KGLPoint[0]);
wft = apuv.toArray(new KGLPoint[0]);
wfc = apc.toArray(new KGLPoint[0]);
ret.vertex_num = wfv.length;
// @@@ interleaveFormat は無いので分ける
ret.uvValid = uvValid;
ret.colValid = colValid;
ret.vertexBuffer = ByteBuffer.allocateDirect(ret.vertex_num * 3 * 4);
ret.vertexBuffer.order(ByteOrder.nativeOrder());
ret.vertexBuffer.position(0);
ret.normalBuffer = ByteBuffer.allocateDirect(ret.vertex_num * 3 * 4);
ret.normalBuffer.order(ByteOrder.nativeOrder());
ret.normalBuffer.position(0);
if (uvValid) {
ret.uvBuffer = ByteBuffer.allocateDirect(ret.vertex_num * 2 * 4);
ret.uvBuffer.order(ByteOrder.nativeOrder());
ret.uvBuffer.position(0);
}
if (colValid) {
ret.colBuffer = ByteBuffer.allocateDirect(ret.vertex_num * 4 * 4);
ret.colBuffer.order(ByteOrder.nativeOrder());
ret.colBuffer.position(0);
}
// Log.i("KGLMetaseq", "vertex_num: "+ ret.vertex_num);
for (int v = 0; v < ret.vertex_num; v++) {
ret.vertexBuffer.putFloat(wfv[v].X());
ret.vertexBuffer.putFloat(wfv[v].Y());
ret.vertexBuffer.putFloat(wfv[v].Z());
ret.normalBuffer.putFloat(wfn[v].X());
ret.normalBuffer.putFloat(wfn[v].Y());
ret.normalBuffer.putFloat(wfn[v].Z());
if (uvValid) {
ret.uvBuffer.putFloat(wft[v].U());
ret.uvBuffer.putFloat(wft[v].V());
}
if (colValid) {
ret.colBuffer.putFloat(wfc[v].R());
ret.colBuffer.putFloat(wfc[v].G());
ret.colBuffer.putFloat(wfc[v].B());
ret.colBuffer.putFloat(wfc[v].A());
}
}
if (mqomat.data.col != null) {
ret.color = new float[mqomat.data.col.length];
for (int c = 0; c < mqomat.data.col.length; c++) {
ret.color[c] = mqomat.data.col[c];
}
if (mqomat.data.dif != null) {
ret.dif = new float[mqomat.data.col.length];
for (int c = 0; c < mqomat.data.col.length; c++) {
ret.dif[c] = mqomat.data.dif * mqomat.data.col[c];
}
// KEICHECK difでアルファ値を１未満にすると透明度が変化する？
ret.dif[3] = mqomat.data.col[3];
}
if (mqomat.data.amb != null) {
ret.amb = new float[mqomat.data.col.length];
for (int c = 0; c < mqomat.data.col.length; c++) {
ret.amb[c] = mqomat.data.amb * mqomat.data.col[c];
}
}
if (mqomat.data.emi != null) {
ret.emi = new float[mqomat.data.col.length];
for (int c = 0; c < mqomat.data.col.length; c++) {
ret.emi[c] = mqomat.data.emi * mqomat.data.col[c];
}
}
if (mqomat.data.spc != null) {
ret.spc = new float[mqomat.data.col.length];
for (int c = 0; c < mqomat.data.col.length; c++) {
ret.spc[c] = mqomat.data.spc * mqomat.data.col[c];
}
}
}
if (mqomat.data.pow != null) {
ret.power = new float[1];
ret.power[0] = mqomat.data.pow;
}
ret.shadeMode_IsSmooth = true; // defaultはtrue
if (mqoObjs.data.shading == 0) ret.shadeMode_IsSmooth = false;
return ret;
}