Mercurial > hg > Game > Cerium
changeset 1324:ada0b6ff6575 draft
add diffuse parameter
| author | Yutaka_Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 19 Dec 2011 17:45:00 +0900 |
| parents | b606adda63fe |
| children | d4f83f5d2d32 |
| files | Renderer/Engine/SceneGraphRoot.cc Renderer/Engine/SceneGraphRoot.h Renderer/Engine/polygon_pack.h Renderer/Engine/task/CreatePolygonFromSceneGraph.cc Renderer/Engine/task/CreateSpan.cc Renderer/Engine/task/DrawSpan.cc |
| diffstat | 6 files changed, 129 insertions(+), 56 deletions(-) [+] |
line wrap: on
line diff
--- a/Renderer/Engine/SceneGraphRoot.cc Tue Dec 13 19:01:32 2011 +0900 +++ b/Renderer/Engine/SceneGraphRoot.cc Mon Dec 19 17:45:00 2011 +0900 @@ -515,8 +515,9 @@ } +// light Object も SceneGraph の一部としてしまえば、別個に計算しなくていい void -SceneGraphRoot::lightCalc() +SceneGraphRoot::lightCalc(SceneGraphPtr cur_parent) { int light_num = 4; float light_vector_tmp[16]; @@ -531,7 +532,7 @@ for (int i = 0; i < light_num; i++) { - get_matrix(light[i]->matrix, light[i]->angle, light[i]->xyz, camera->matrix); + get_matrix(light[i]->matrix, light[i]->angle, light[i]->xyz, cur_parent->matrix); ApplyMatrix(&light_vector_tmp[i*4], light[i]->matrix); light_vector_tmp[i*4] /= light_vector_tmp[i*4+3]; @@ -594,8 +595,6 @@ list = list->next; } - lightCalc(); - if(sg_exec_tree != NULL) { return; } @@ -635,6 +634,7 @@ */ matrix4x4(camera->matrix, camera->m_view, camera->m_pers); + lightCalc(camera); copyTree(sg_draw_tree, camera); // 現在、allExecute が終わった時点では
--- a/Renderer/Engine/SceneGraphRoot.h Tue Dec 13 19:01:32 2011 +0900 +++ b/Renderer/Engine/SceneGraphRoot.h Mon Dec 19 17:45:00 2011 +0900 @@ -125,7 +125,7 @@ /* Other System API */ void allExecute(int screen_w, int screen_h); void treeApply(int screen_w, int screen_h); - void lightCalc(); + void lightCalc(SceneGraphPtr cur_parent); void flip(); void copyTree(SceneGraphPtr from, SceneGraphPtr to); void transTree(SceneGraphPtr t, SceneGraphPtr cur_parent);
--- a/Renderer/Engine/polygon_pack.h Tue Dec 13 19:01:32 2011 +0900 +++ b/Renderer/Engine/polygon_pack.h Mon Dec 19 17:45:00 2011 +0900 @@ -14,7 +14,8 @@ float z; float tex_x; float tex_y; -} VertexPack, *VertexPackPtr; // 20 + float diffuse; // 拡散成分 +} VertexPack, *VertexPackPtr; // 24 typedef struct NormalPack { float x; @@ -29,16 +30,25 @@ int scale_max; } TriangleTexInfo, *TriangleTexInfoPtr; // 16 + typedef struct TrianglePack { - TriTexInfo tex_info; // 16 - VertexPack ver1; // 20 - VertexPack ver2; // 20 - VertexPack ver3; // 20 - NormalPack normal1; // 12 - NormalPack normal2; // 12 - NormalPack normal3; // 12 -} TrianglePack, *TrianglePackPtr; // 112 (16 * 7) + TriTexInfo tex_info; // 16 + VertexPack ver1; // 20 + VertexPack ver2; // 20 + VertexPack ver3; // 20 + NormalPack normal1; // 12 + NormalPack normal2; // 12 + NormalPack normal3; // 12 +} TrianglePack, *TrianglePackPtr; +/* + * PolygonPackは3Dモデルの情報を格納し、CreatePolygonTask の input, output として扱われる + * Task内で、各頂点にmatrixが乗算され、拡散成分が計算される + * 冗長なところがあるから、どうにかならんものか。 NormalPack は CPTask + * の output としてはいらないデータ。 Task の input と output で被っているデータとそうで + * ないところがあるから、ひとつの構造体として送るのはどうかな + * DS はそこらへんの、データの結合と分解をできればいいか + */ typedef struct PolygonPack { @@ -48,17 +58,14 @@ int size; int light_pos[3]; int light_rgb[3]; - int span_num; - int pad[3]; - }info; - PolygonPack* next; void init(void) { info.size = 0; info.span_num = 0; + next = 0; }
--- a/Renderer/Engine/task/CreatePolygonFromSceneGraph.cc Tue Dec 13 19:01:32 2011 +0900 +++ b/Renderer/Engine/task/CreatePolygonFromSceneGraph.cc Mon Dec 19 17:45:00 2011 +0900 @@ -11,6 +11,7 @@ #include "polygon_pack.h" #include "texture.h" #include "matrix_calc.h" +#include "Func.h" #define STATUS_NUM 3 @@ -44,7 +45,6 @@ float max = 0; float min = 0; - max = val[0]; min = val[0]; @@ -57,14 +57,43 @@ } return (max - min); +} +/** + * 輝度の計算 + * @param[in] vertexs polygon vertex position + * @param[in] normal normal vector + * @param[in] light light object position + * @return diffuse + */ + +static float +lighting(const float *vertex, const float *normal, const float *light) { + + float light_vector[4]; + float normal_vector[4]; + + light_vector[0] = vertex[0] - light[0]; + light_vector[1] = vertex[1] - light[1]; + light_vector[2] = vertex[2] - light[3]; + light_vector[3] = 0; + + normal_vector[0] = vertex[0] - light[0]; + normal_vector[1] = vertex[1] - light[1]; + normal_vector[2] = vertex[2] - light[3]; + normal_vector[3] = 0; + + normalize(light_vector, light_vector); + normalize(normal_vector, normal_vector); + + return innerProduct(light_vector, normal_vector); } + static int createPolygon(SchedTask *smanager, void *rbuf, void *wbuf) { - float xyz1[4], xyz2[4], xyz3[4]; float normal1[4],normal2[4],normal3[4]; @@ -81,7 +110,7 @@ normal_matrix[4*3] = normal_matrix[4*3+1] = normal_matrix[4*3+2] = 0; normal_matrix[4*3+3] = 1; - float matrix[16]; + float matrix[16]; // wvpm matrix matrix4x4(matrix, wvp_matrix, m_screen); texture_list *tritexinfo = (texture_list*)smanager->get_input(rbuf, 3); @@ -96,6 +125,13 @@ printf("in_pp->info.size = 0\n"); } + float *light_xyz = (float*)smanager->global_get(Light); + int *light_switch = (int*)smanager->global_get(LightSwitch); + int light_num = 4; + float diffuse1 = 1; + float diffuse2 = 1; + float diffuse3 = 1; + for (int i = 0; i < in_pp->info.size; i++) { TrianglePack tri = in_pp->tri[i]; @@ -114,14 +150,47 @@ xyz3[1] = tri.ver3.y; xyz3[2] = tri.ver3.z * -1.0f; xyz3[3] = 1.0f; + + normal1[0] = tri.normal1.x; + normal1[1] = tri.normal1.y; + normal1[2] = tri.normal1.z * -1.0f; + //normal1[3] = 1.0f; + normal1[3] = 0.0f; + normal2[0] = tri.normal2.x; + normal2[1] = tri.normal2.y; + normal2[2] = tri.normal2.z * -1.0f; + //normal2[3] = 1.0f; + normal2[3] = 0.0f; + + normal3[0] = tri.normal3.x; + normal3[1] = tri.normal3.y; + normal3[2] = tri.normal3.z * -1.0f; + //normal3[3] = 1.0f; + normal3[3] = 0.0f; + // matrix = ビュー座標変換行列*射影変換行列 ApplyMatrix(xyz1, matrix); ApplyMatrix(xyz2, matrix); ApplyMatrix(xyz3, matrix); + ApplyMatrix(normal1, normal_matrix); + ApplyMatrix(normal2, normal_matrix); + ApplyMatrix(normal3, normal_matrix); + + for (int j = 0; j < light_num; j++) { + // 光源のスイッチが入ってたら + if (light_switch[j] == 1) { + // 複数の光源の計算, 全部足し合わせてみる.. + // あとで255を超えた値は、255にされるからここではいくら足してもいい + diffuse1 += lighting(xyz1, normal1, &light_xyz[j*4]); + diffuse2 += lighting(xyz2, normal2, &light_xyz[j*4]); + diffuse3 += lighting(xyz3, normal3, &light_xyz[j*4]); + } + } + // このif文は、視錐台カリングに変えられる. 違うやり方があるはず - //if (xyz1[2] > 100 && xyz2[2] > 100 && xyz3[2] > 100) { + if (xyz1[2] > 100 && xyz2[2] > 100 && xyz3[2] > 100) { /* * 同次座標で除算、同次クリップ空間に変換する @@ -141,21 +210,21 @@ xyz3[2] /= xyz3[3]; - /*} else { + } else { xyz1[0] = 0; xyz1[1] = 0; xyz1[2] = 0; - + xyz2[0] = 0; xyz2[1] = 0; xyz2[2] = 0; - + xyz3[0] = 0; xyz3[1] = 0; xyz3[2] = 0; - }*/ + } TrianglePackPtr triangle = &out_pp->tri[i]; @@ -165,40 +234,21 @@ triangle->ver1.z = xyz1[2]; triangle->ver1.tex_x = tri.ver1.tex_x; triangle->ver1.tex_y = tri.ver1.tex_y; - + triangle->ver1.diffuse = diffuse1; + triangle->ver2.x = xyz2[0]; triangle->ver2.y = xyz2[1]; triangle->ver2.z = xyz2[2]; triangle->ver2.tex_x = tri.ver2.tex_x; triangle->ver2.tex_y = tri.ver2.tex_y; + triangle->ver2.diffuse = diffuse2; triangle->ver3.x = xyz3[0]; triangle->ver3.y = xyz3[1]; triangle->ver3.z = xyz3[2]; triangle->ver3.tex_x = tri.ver3.tex_x; triangle->ver3.tex_y = tri.ver3.tex_y; - - normal1[0] = tri.normal1.x; - normal1[1] = tri.normal1.y; - normal1[2] = tri.normal1.z * -1.0f; - //normal1[3] = 1.0f; - normal1[3] = 0.0f; - - normal2[0] = tri.normal2.x; - normal2[1] = tri.normal2.y; - normal2[2] = tri.normal2.z * -1.0f; - //normal2[3] = 1.0f; - normal2[3] = 0.0f; - - normal3[0] = tri.normal3.x; - normal3[1] = tri.normal3.y; - normal3[2] = tri.normal3.z * -1.0f; - //normal3[3] = 1.0f; - normal3[3] = 0.0f; - - ApplyMatrix(normal1,normal_matrix); - ApplyMatrix(normal2,normal_matrix); - ApplyMatrix(normal3,normal_matrix); + triangle->ver3.diffuse = diffuse3; triangle->normal1.x = normal1[0]; triangle->normal1.y = normal1[1];
--- a/Renderer/Engine/task/CreateSpan.cc Tue Dec 13 19:01:32 2011 +0900 +++ b/Renderer/Engine/task/CreateSpan.cc Mon Dec 19 17:45:00 2011 +0900 @@ -29,7 +29,6 @@ return ans; } - /** * TrianglePack から、vMin, vMid, vMax を求める * @@ -41,6 +40,25 @@ VertexPackPtr *vMin, VertexPackPtr *vMid, VertexPackPtr *vMax, NormalPackPtr *normal1, NormalPackPtr *normal2, NormalPackPtr *normal3) { + + /** + * y座標から、vMax, vMid, vMin, を求める + * + * vMax + * |\ + * | \ + * | \ + * | \ + * ------ vMid + * | / + * | / + * | / + * |/ + * vMin + * + */ + + if (triPack->ver1.y <= triPack->ver2.y) { if (triPack->ver2.y <= triPack->ver3.y) { *vMin = &triPack->ver1; @@ -93,6 +111,8 @@ v->x = calc(vMax->x - vMin->x, d, d1, vMin->x); v->y = vMid->y; v->z = calc(vMax->z - vMin->z, d, d1, vMin->z); + v->diffuse = calc(vMax->diffuse - vMin->diffuse, d, d1, vMin->diffuse); + } /**
--- a/Renderer/Engine/task/DrawSpan.cc Tue Dec 13 19:01:32 2011 +0900 +++ b/Renderer/Engine/task/DrawSpan.cc Mon Dec 19 17:45:00 2011 +0900 @@ -16,7 +16,7 @@ #define LITTLEENDIAN 0 #endif -SchedDefineTask(DrawSpan); +SchedDefineTask1(DrawSpan, drawSpan); #define TEX_LOAD1 0 #define TEX_LOAD2 1 @@ -575,10 +575,6 @@ // 光源のスイッチが入ってたら if (light_switch[i] == 1) { - - //light_vector[0] = world_x - light_xyz[i*4]; - //light_vector[1] = world_y - light_xyz[i*4+1]; - //light_vector[2] = light_xyz[i*4+2] - world_z; light_vector[0] = 0; light_vector[1] = 0; @@ -629,7 +625,7 @@ static int -run(SchedTask *smanager, void *rbuf, void *wbuf) +drawSpan(SchedTask *smanager, void *rbuf, void *wbuf) { //get_param(5) is spack->info.size