Sandro Sobczyński
120 lines
4.0 KiB
C++
120 lines
4.0 KiB
C++
/*
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# ______ ____ ___
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# | \/ ____| |___|
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# | | | \ | |
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#-----------------------------------------------------------------------
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# Copyright 2020, tyra - https://github.com/h4570/tyra
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# Licenced under Apache License 2.0
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# Sandro Sobczyński <sandro.sobczynski@gmail.com>
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*/
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#include "../include/models/obj_model.hpp"
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#include "../include/utils/debug.hpp"
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#include "../include/utils/string.hpp"
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// ----
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// Constructors/Destructors
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// ----
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ObjModel::ObjModel(char *t_objFile)
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{
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animState.startFrame = 0;
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animState.endFrame = 0;
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animState.interpolation = 0.0F;
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animState.animType = 0;
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animState.currentFrame = 0;
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animState.nextFrame = 0;
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animState.speed = 0.1F;
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filename = String::createWithoutExtension(t_objFile);
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}
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ObjModel::~ObjModel()
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{
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if (isMemoryAllocated == true)
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{
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// TODO !!!!
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// delete[] vertices;
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// delete[] coordinates;
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// delete[] normals;
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// for (u16 i = 0; i < materialsCount; i++)
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// {
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// delete[] materials[i].verticeFaces;
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// delete[] materials[i].coordinateFaces;
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// delete[] materials[i].normalFaces;
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// delete[] materials[i].materialName;
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// }
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// delete[] materials;
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}
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}
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// ----
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// Methods
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// ----
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u32 ObjModel::getFacesCount()
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{
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u32 result = 0; // TODO
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for (u16 i = 0; i < frames[0].materialsCount; i++)
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result += frames[0].materials[i].getFacesCount();
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return result;
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}
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void ObjModel::animate()
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{
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animState.interpolation += animState.speed;
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if (animState.interpolation >= 1.0F)
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{
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animState.interpolation = 0.0F;
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animState.currentFrame = animState.nextFrame;
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if (++animState.nextFrame > animState.endFrame)
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animState.nextFrame = animState.startFrame;
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}
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}
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u32 ObjModel::getDrawData(u32 t_materialIndex, VECTOR *o_vertices, VECTOR *o_normals, VECTOR *o_coordinates, VECTOR *o_colors, Vector3 &t_cameraPos, float t_scale, u8 t_shouldBeBackfaceCulled)
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{
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#define CURR_FRAME frames[animState.currentFrame]
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#define NEXT_FRAME frames[animState.nextFrame]
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#define MATERIAL CURR_FRAME.materials[t_materialIndex]
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#define CURR_VERT CURR_FRAME.vertices[MATERIAL.getVertexFace(matI + vertI)]
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#define NEXT_VERT NEXT_FRAME.vertices[MATERIAL.getVertexFace(matI + vertI)]
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u32 addedFaces = 0;
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for (u32 matI = 0; matI < MATERIAL.getFacesCount(); matI += 3)
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{
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for (u32 vertI = 0; vertI < 3; vertI++)
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if (animState.startFrame == animState.endFrame)
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calc3Vectors[vertI].set(CURR_VERT * t_scale);
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else
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calc3Vectors[vertI].setByLerp(CURR_VERT, NEXT_VERT, animState.interpolation, t_scale);
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if (!t_shouldBeBackfaceCulled ||
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Vector3::shouldBeBackfaceCulled(&t_cameraPos, &calc3Vectors[2], &calc3Vectors[1], &calc3Vectors[0]))
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for (u32 vertI = 0; vertI < 3; vertI++)
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{
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o_vertices[addedFaces][0] = calc3Vectors[vertI].x;
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o_vertices[addedFaces][1] = calc3Vectors[vertI].y;
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o_vertices[addedFaces][2] = calc3Vectors[vertI].z;
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o_vertices[addedFaces][3] = 1.0F;
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o_normals[addedFaces][0] = CURR_FRAME.normals[MATERIAL.getNormalFace(matI + vertI)].x;
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o_normals[addedFaces][1] = CURR_FRAME.normals[MATERIAL.getNormalFace(matI + vertI)].y;
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o_normals[addedFaces][2] = CURR_FRAME.normals[MATERIAL.getNormalFace(matI + vertI)].z;
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o_normals[addedFaces][3] = 1.0F;
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o_coordinates[addedFaces][0] = CURR_FRAME.coordinates[MATERIAL.getStFace(matI + vertI)].x;
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o_coordinates[addedFaces][1] = CURR_FRAME.coordinates[MATERIAL.getStFace(matI + vertI)].y;
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o_coordinates[addedFaces][2] = 1.0F;
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o_coordinates[addedFaces][3] = 1.0F;
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o_colors[addedFaces][0] = 1.0F;
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o_colors[addedFaces][1] = 1.0F;
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o_colors[addedFaces][2] = 1.0F;
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o_colors[addedFaces++][3] = 1.0F;
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}
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}
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return addedFaces;
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}
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