00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015 #include "lpoint2.h"
00016
00017
00018
00019
00020
00021
00022 INLINE MeshDrawer2D::
00023 MeshDrawer2D() {
00024 _root = NodePath("MeshDrawer");
00025 _bv = NULL;
00026 _vertex = NULL;
00027 _uv = NULL;
00028 _color = NULL;
00029 _budget = 5000;
00030
00031 _clip_x = -1000000;
00032 _clip_y = -1000000;
00033 _clip_w = 1000000;
00034 _clip_h = 1000000;
00035 }
00036
00037
00038
00039
00040
00041
00042 INLINE MeshDrawer2D::
00043 ~MeshDrawer2D() {
00044 _root.remove_node();
00045 if (_vertex != NULL) delete _vertex;
00046 if (_uv != NULL) delete _uv;
00047 if (_color != NULL) delete _color;
00048 }
00049
00050
00051
00052
00053
00054
00055 INLINE NodePath MeshDrawer2D::
00056 get_root() {
00057 return _root;
00058 }
00059
00060
00061
00062
00063
00064
00065 INLINE void MeshDrawer2D::
00066 set_budget(int total_budget) {
00067 _budget = total_budget;
00068 generator(_budget);
00069 }
00070
00071
00072
00073
00074
00075
00076 INLINE int MeshDrawer2D::
00077 get_budget() {
00078 return _budget;
00079 }
00080
00081
00082
00083
00084
00085
00086 INLINE void MeshDrawer2D::
00087 set_clip(PN_stdfloat x, PN_stdfloat y, PN_stdfloat w, PN_stdfloat h) {
00088 _clip_x = x;
00089 _clip_y = y;
00090 _clip_w = w;
00091 _clip_h = h;
00092 }
00093
00094
00095
00096
00097
00098
00099
00100 INLINE void MeshDrawer2D::
00101 quad_raw(const LVector3 &v1, const LVector4 &c1, const LVector2 &uv1,
00102 const LVector3 &v2, const LVector4 &c2, const LVector2 &uv2,
00103 const LVector3 &v3, const LVector4 &c3, const LVector2 &uv3,
00104 const LVector3 &v4, const LVector4 &c4, const LVector2 &uv4
00105 ) {
00106
00107 if( _clear_index > _end_clear_index) return;
00108
00109 _vertex->add_data3(v1);
00110 _color->add_data4(c1);
00111 _uv->add_data2(uv1);
00112
00113 _vertex->add_data3(v2);
00114 _color->add_data4(c2);
00115 _uv->add_data2(uv2);
00116
00117 _vertex->add_data3(v3);
00118 _color->add_data4(c3);
00119 _uv->add_data2(uv3);
00120
00121 _vertex->add_data3(v4);
00122 _color->add_data4(c4);
00123 _uv->add_data2(uv4);
00124
00125 _clear_index += 1;
00126 }
00127
00128
00129 INLINE void MeshDrawer2D::
00130 rectangle_raw(PN_stdfloat x, PN_stdfloat y, PN_stdfloat w, PN_stdfloat h,
00131 PN_stdfloat u, PN_stdfloat v, PN_stdfloat us, PN_stdfloat vs,
00132 const LVector4 &color
00133 ) {
00134
00135 quad_raw(
00136 LVector3(x, 0, y), color, LVector2(u , v),
00137 LVector3(x, 0, y+h), color, LVector2(u , v+vs),
00138 LVector3(x+w, 0, y), color, LVector2(u+us, v),
00139 LVector3(x+w, 0, y+h), color, LVector2(u+us, v+vs)
00140 );
00141 }
00142
00143
00144
00145
00146
00147
00148 INLINE void MeshDrawer2D::
00149 rectangle(PN_stdfloat x, PN_stdfloat y, PN_stdfloat w, PN_stdfloat h,
00150 PN_stdfloat u, PN_stdfloat v, PN_stdfloat us, PN_stdfloat vs,
00151 const LVector4 &color
00152 ) {
00153
00154 if( w == 0 && h == 0 ) return;
00155 if (x > _clip_x+_clip_w) return;
00156 if (y > _clip_y+_clip_h) return;
00157 if (x+w < _clip_x) return;
00158 if (y+h < _clip_y) return;
00159
00160
00161
00162 PN_stdfloat x_uv_ratio = us/w;
00163 PN_stdfloat y_uv_ratio = vs/h;
00164 PN_stdfloat dt = 0;
00165
00166 if (x < _clip_x){
00167
00168 dt = _clip_x-x;
00169 x += dt;
00170 w -= dt;
00171 u += dt*x_uv_ratio;
00172 us -= dt*x_uv_ratio;
00173 }
00174
00175 if (y < _clip_y){
00176
00177 dt = _clip_y-y;
00178 y += dt;
00179 h -= dt;
00180 v += dt*y_uv_ratio;
00181 vs -= dt*y_uv_ratio;
00182 }
00183
00184 if (x+w > _clip_x+_clip_w){
00185
00186 dt = x+w - (_clip_x+_clip_w);
00187 w -= dt;
00188 us -= dt*x_uv_ratio;
00189 }
00190
00191 if (y+h > _clip_y+_clip_h){
00192
00193 dt = y+h - (_clip_y+_clip_h);
00194 h -= dt;
00195 vs -= dt*y_uv_ratio;
00196 }
00197
00198
00199 rectangle_raw(x,y,w,h,u,v,us,vs,color);
00200
00201 }
00202