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-rw-r--r--extensions/smentity.cpp207
1 files changed, 207 insertions, 0 deletions
diff --git a/extensions/smentity.cpp b/extensions/smentity.cpp
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--- /dev/null
+++ b/extensions/smentity.cpp
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+// -*- C++ -*-
+/*
+ * Simple MultimEdia LiTerator(SMELT)
+ * by Chris Xiong 2015
+ * Entity implementation
+ *
+ * WARNING: This library is in development and interfaces would be very
+ * unstable.
+ *
+ */
+#include "smentity.hpp"
+#include "smmath.hpp"
+#include <cstring>
+#include <cstdio>
+SMELT *smEntity2D::sm=NULL;
+SMELT *smEntity3D::sm=NULL;
+
+smEntity2D::smEntity2D(SMTEX tex,float _x,float _y,float _w,float _h)
+{
+ sm=smGetInterface(SMELT_APILEVEL);
+ tx=_x;ty=_y;w=_w;h=_h;
+ if(tex)
+ {
+ texw=sm->smTextureGetWidth(tex);
+ texh=sm->smTextureGetHeight(tex);
+ }else texw=texh=1.;
+ ctrx=ctry=0;quad.tex=tex;
+ quad.v[0].tx=_x/texw;quad.v[0].ty=_y/texh;
+ quad.v[1].tx=(_x+_w)/texw;quad.v[1].ty=_y/texh;
+ quad.v[2].tx=(_x+_w)/texw;quad.v[2].ty=(_y+_h)/texh;
+ quad.v[3].tx=_x/texw;quad.v[3].ty=(_y+_h)/texh;
+ for(int i=0;i<4;++i){quad.v[i].z=.5f;quad.v[i].col=0xFFFFFFFF;}
+ quad.blend=BLEND_ALPHABLEND;
+}
+smEntity2D::smEntity2D(SMTEX tex,smTexRect rect)
+{
+ sm=smGetInterface(SMELT_APILEVEL);
+ tx=rect.x;ty=rect.y;w=rect.w;h=rect.h;
+ if(tex)
+ {
+ texw=sm->smTextureGetWidth(tex);
+ texh=sm->smTextureGetHeight(tex);
+ }else texw=texh=1.;
+ ctrx=ctry=0;quad.tex=tex;
+ quad.v[0].tx=rect.x/texw;quad.v[0].ty=rect.y/texh;
+ quad.v[1].tx=(rect.x+rect.w)/texw;quad.v[1].ty=rect.y/texh;
+ quad.v[2].tx=(rect.x+rect.w)/texw;quad.v[2].ty=(rect.y+rect.h)/texh;
+ quad.v[3].tx=rect.x/texw;quad.v[3].ty=(rect.y+rect.h)/texh;
+ for(int i=0;i<4;++i){quad.v[i].z=.5f;quad.v[i].col=0xFFFFFFFF;}
+ quad.blend=BLEND_ALPHABLEND;
+}
+smEntity2D::smEntity2D(const smEntity2D &copy)
+{
+ memcpy(this,&copy,sizeof(smEntity2D));
+ sm=smGetInterface(SMELT_APILEVEL);
+}
+void smEntity2D::render(float x,float y,float rot,float wsc,float hsc)
+{
+ if(hsc<EPS)hsc=wsc;
+ float cx0=-ctrx*wsc,cy0=-ctry*hsc;
+ float cx1=(w-ctrx)*wsc,cy1=(h-ctry)*hsc;
+ float c=cosf(rot),s=sinf(rot);
+ quad.v[0].x=cx0*c-cy0*s+x;quad.v[0].y=cx0*s+cy0*c+y;
+ quad.v[1].x=cx1*c-cy0*s+x;quad.v[1].y=cx1*s+cy0*c+y;
+ quad.v[2].x=cx1*c-cy1*s+x;quad.v[2].y=cx1*s+cy1*c+y;
+ quad.v[3].x=cx0*c-cy1*s+x;quad.v[3].y=cx0*s+cy1*c+y;
+ sm->smRenderQuad(&quad);
+}
+void smEntity2D::setTexture(SMTEX tex)
+{
+ float ntw,nth;
+ if(tex)
+ {
+ ntw=sm->smTextureGetWidth(tex);
+ nth=sm->smTextureGetHeight(tex);
+ }else ntw=nth=1.;
+ quad.tex=tex;
+ if(ntw!=texw||nth!=texh)
+ {
+ float tx1=quad.v[0].tx*texw,ty1=quad.v[0].ty*texh;
+ float tx2=quad.v[2].tx*texw,ty2=quad.v[2].ty*texh;
+ texw=ntw;texh=nth;
+ tx1/=texw;ty1/=texh;tx2/=texw;ty2/=texh;
+ quad.v[0].tx=tx1;quad.v[0].ty=ty1;
+ quad.v[1].tx=tx2;quad.v[1].ty=ty1;
+ quad.v[2].tx=tx2;quad.v[2].ty=ty2;
+ quad.v[3].tx=tx1;quad.v[3].ty=ty2;
+ }
+}
+void smEntity2D::setTextureRect4f(float _x,float _y,float _w,float _h)
+{
+ tx=_x;ty=_y;w=_w;h=_h;
+ quad.v[0].tx=_x/texw;quad.v[0].ty=_y/texh;
+ quad.v[1].tx=(_x+_w)/texw;quad.v[1].ty=_y/texh;
+ quad.v[2].tx=(_x+_w)/texw;quad.v[2].ty=(_y+_h)/texh;
+ quad.v[3].tx=_x/texw;quad.v[3].ty=(_y+_h)/texh;
+}
+void smEntity2D::setTextureRectv(smTexRect rect){setTextureRect4f(rect.x,rect.y,rect.w,rect.h);}
+void smEntity2D::setColor(DWORD col,int v)
+{
+ if(v>=0&&v<4)quad.v[v].col=col;
+ else for(int i=0;i<4;++i)quad.v[i].col=col;
+}
+void smEntity2D::setZ(float z,int v)
+{
+ if(v>=0&&v<4)quad.v[v].z=z;
+ else for(int i=0;i<4;++i)quad.v[i].z=z;
+}
+void smEntity2D::setBlend(int blend){quad.blend=blend;}
+void smEntity2D::setCentre(float x,float y){ctrx=x;ctry=y;}
+
+smEntity3D::smEntity3D(SMTEX tex,float _x,float _y,float _w,float _h)
+{
+ sm=smGetInterface(SMELT_APILEVEL);
+ tx=_x;ty=_y;w=_w;h=_h;
+ if(tex)
+ {
+ texw=sm->smTextureGetWidth(tex);
+ texh=sm->smTextureGetHeight(tex);
+ }else texw=texh=1.;
+ ctrx=ctry=0;quad.tex=tex;
+ quad.v[0].tx=_x/texw;quad.v[0].ty=_y/texh;
+ quad.v[1].tx=(_x+_w)/texw;quad.v[1].ty=_y/texh;
+ quad.v[2].tx=(_x+_w)/texw;quad.v[2].ty=(_y+_h)/texh;
+ quad.v[3].tx=_x/texw;quad.v[3].ty=(_y+_h)/texh;
+ for(int i=0;i<4;++i){quad.v[i].z=.5f;quad.v[i].col=0xFFFFFFFF;}
+ quad.blend=BLEND_ALPHABLEND;
+}
+smEntity3D::smEntity3D(SMTEX tex,smTexRect rect)
+{
+ sm=smGetInterface(SMELT_APILEVEL);
+ tx=rect.x;ty=rect.y;w=rect.w;h=rect.h;
+ if(tex)
+ {
+ texw=sm->smTextureGetWidth(tex);
+ texh=sm->smTextureGetHeight(tex);
+ }else texw=texh=1.;
+ ctrx=ctry=0;quad.tex=tex;
+ quad.v[0].tx=rect.x/texw;quad.v[0].ty=rect.y/texh;
+ quad.v[1].tx=(rect.x+rect.w)/texw;quad.v[1].ty=rect.y/texh;
+ quad.v[2].tx=(rect.x+rect.w)/texw;quad.v[2].ty=(rect.y+rect.h)/texh;
+ quad.v[3].tx=rect.x/texw;quad.v[3].ty=(rect.y+rect.h)/texh;
+ for(int i=0;i<4;++i){quad.v[i].z=.5f;quad.v[i].col=0xFFFFFFFF;}
+ quad.blend=BLEND_ALPHABLEND;
+}
+smEntity3D::smEntity3D(const smEntity3D &copy)
+{
+ memcpy(this,&copy,sizeof(smEntity3D));
+ sm=smGetInterface(SMELT_APILEVEL);
+}
+void smEntity3D::render9f(float x,float y,float z,float ra,float rx,float ry,float rz,float wsc,float hsc)
+{
+ if(hsc<EPS)hsc=wsc;
+ float cx0=-ctrx*wsc,cy0=-ctry*hsc;
+ float cx1=(w-ctrx)*wsc,cy1=(h-ctry)*hsc;
+ smvec3d a,r;smMatrix m;
+ a=smvec3d(cx0,cy0,0);m.loadIdentity();m.rotate(ra,rx,ry,rz);r=m*a;
+ quad.v[0].x=r.x;quad.v[0].y=r.y;quad.v[0].z=r.z;
+ a=smvec3d(cx1,cy0,0);m.loadIdentity();m.rotate(ra,rx,ry,rz);r=m*a;
+ quad.v[1].x=r.x;quad.v[1].y=r.y;quad.v[1].z=r.z;
+ a=smvec3d(cx1,cy1,0);m.loadIdentity();m.rotate(ra,rx,ry,rz);r=m*a;
+ quad.v[2].x=r.x;quad.v[2].y=r.y;quad.v[2].z=r.z;
+ a=smvec3d(cx0,cy1,0);m.loadIdentity();m.rotate(ra,rx,ry,rz);r=m*a;
+ quad.v[3].x=r.x;quad.v[3].y=r.y;quad.v[3].z=r.z;
+ sm->smRenderQuad(&quad);
+}
+void smEntity3D::renderfv(float* pos,float* rot,float* scale)
+{
+ render9f(pos[0],pos[1],pos[2],rot[0],rot[1],rot[2],rot[3],scale[0],scale[1]);
+}
+void smEntity3D::setTexture(SMTEX tex)
+{
+ float ntw,nth;
+ if(tex)
+ {
+ ntw=sm->smTextureGetWidth(tex);
+ nth=sm->smTextureGetHeight(tex);
+ }else ntw=nth=1.;
+ quad.tex=tex;
+ if(ntw!=texw||nth!=texh)
+ {
+ float tx1=quad.v[0].tx*texw,ty1=quad.v[0].ty*texh;
+ float tx2=quad.v[2].tx*texw,ty2=quad.v[2].ty*texh;
+ texw=ntw;texh=nth;
+ tx1/=texw;ty1/=texh;tx2/=texw;ty2/=texh;
+ quad.v[0].tx=tx1;quad.v[0].ty=ty1;
+ quad.v[1].tx=tx2;quad.v[1].ty=ty1;
+ quad.v[2].tx=tx2;quad.v[2].ty=ty2;
+ quad.v[3].tx=tx1;quad.v[3].ty=ty2;
+ }
+}
+void smEntity3D::setTextureRect4f(float _x,float _y,float _w,float _h)
+{
+ tx=_x;ty=_y;w=_w;h=_h;
+ quad.v[0].tx=_x/texw;quad.v[0].ty=_y/texh;
+ quad.v[1].tx=(_x+_w)/texw;quad.v[1].ty=_y/texh;
+ quad.v[2].tx=(_x+_w)/texw;quad.v[2].ty=(_y+_h)/texh;
+ quad.v[3].tx=_x/texw;quad.v[3].ty=(_y+_h)/texh;
+}
+void smEntity3D::setTextureRectv(smTexRect rect){setTextureRect4f(rect.x,rect.y,rect.w,rect.h);}
+void smEntity3D::setColor(DWORD col,int v)
+{
+ if(v>=0&&v<4)quad.v[v].col=col;
+ else for(int i=0;i<4;++i)quad.v[i].col=col;
+}
+void smEntity3D::setBlend(int blend){quad.blend=blend;}
+void smEntity3D::setCentre(float x,float y){ctrx=x;ctry=y;}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-04 12:13:57 +0000