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Code Issues Releases Wiki Activity

get rid of GL matrix stack math completely; glm is now mandatory

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This commit is contained in:
fgenesis 2023-07-02 17:04:12 +02:00
parent aaed341569
commit 8528bfae94
4 changed files with 1 additions and 102 deletions
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33
Aquaria/Game.cpp
View file

@ -47,10 +47,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include "Beam.h"
#include "Hair.h"
#ifdef BBGE_USE_GLM
#include "glm/glm.hpp"
#include "glm/gtx/transform.hpp"
#endif
static const float MENUPAGETRANSTIME = 0.2f;
@ -495,8 +493,6 @@ void Game::fillGridFromQuad(Quad *q, ObsType obsType, bool trim)
}
}
#ifdef BBGE_USE_GLM
const float w2f = float(w2);
const float h2f = float(h2);
for (size_t i = 0; i < obs.size(); i++)
@ -513,35 +509,6 @@ void Game::fillGridFromQuad(Quad *q, ObsType obsType, bool trim)
if (!isObstructed(tvec))
addGrid(tvec, obsType);
}
#else
glPushMatrix();
for (size_t i = 0; i < obs.size(); i++)
{
glLoadIdentity();
glRotatef(q->rotation.z, 0, 0, 1);
if (q->isfh())
{
glRotatef(180, 0, 1, 0);
}
//glTranslatef((obs[i].x-w2)*TILE_SIZE+TILE_SIZE/2, (obs[i].y-h2)*TILE_SIZE + TILE_SIZE/2, 0);
glTranslatef((obs[i].x-w2), (obs[i].y-h2), 0);
float m[16];
glGetFloatv(GL_MODELVIEW_MATRIX, m);
float x = m[12];
float y = m[13];
//setGrid(TileVector(tpos.x+(w2*TILE_SIZE)+(x/TILE_SIZE), tpos.y+(h2*TILE_SIZE)+(y/TILE_SIZE)), obsType);
TileVector tvec(tpos.x+w2+x, tpos.y+h2+y);
if (!isObstructed(tvec))
addGrid(tvec, obsType);
}
glPopMatrix();
#endif
}
}

37
BBGE/RenderObject.cpp
View file

@ -26,10 +26,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include <assert.h>
#include <algorithm>
#ifdef BBGE_USE_GLM
#include "glm/glm.hpp"
#include "glm/gtx/transform.hpp"
#endif
bool RenderObject::renderCollisionShape = false;
size_t RenderObject::lastTextureApplied = 0;
@ -122,7 +120,6 @@ RenderObject* RenderObject::getTopParent() const
return lastp;
}
#ifdef BBGE_USE_GLM
static glm::mat4 matrixChain(const RenderObject *ro)
{
glm::mat4 tranformMatrix = glm::scale(
@ -146,24 +143,6 @@ static glm::mat4 matrixChain(const RenderObject *ro)
tranformMatrix *= glm::translate(glm::vec3(ro->internalOffset.x, ro->internalOffset.y, 0.0f));
return tranformMatrix;
}
#else
static void matrixChain(RenderObject *ro)
{
if (RenderObject *parent = ro->getParent())
matrixChain(parent);
glTranslatef(ro->position.x+ro->offset.x, ro->position.y+ro->offset.y, 0);
glRotatef(ro->rotation.z+ro->rotationOffset.z, 0, 0, 1);
glTranslatef(ro->beforeScaleOffset.x, ro->beforeScaleOffset.y, 0);
glScalef(ro->scale.x, ro->scale.y, 0);
if (ro->isfh())
{
glRotatef(180, 0, 1, 0);
}
glTranslatef(ro->internalOffset.x, ro->internalOffset.y, 0);
}
#endif
float RenderObject::getWorldRotation() const
{
@ -184,28 +163,12 @@ Vector RenderObject::getWorldPositionAndRotation() const
Vector RenderObject::getWorldCollidePosition(const Vector &vec) const
{
#ifdef BBGE_USE_GLM
glm::mat4 transformMatrix = glm::translate(
matrixChain(this),
glm::vec3(vec.x, vec.y, 0.0f)
);
return Vector(transformMatrix[3][0], transformMatrix[3][1], 0);
#else
glPushMatrix();
glLoadIdentity();
matrixChain(this);
glTranslatef(vec.x, vec.y, 0);
float m[16];
glGetFloatv(GL_MODELVIEW_MATRIX, m);
float x = m[12];
float y = m[13];
glPopMatrix();
return Vector(x,y,0);
#endif
}
void RenderObject::fhTo(bool fh)

26
BBGE/Vector.cpp
View file

@ -24,10 +24,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include <float.h>
#include <algorithm>
#ifdef BBGE_USE_GLM
#include "glm/glm.hpp"
#include "glm/gtx/transform.hpp"
#endif
/*************************************************************************/
@ -43,35 +41,11 @@ void Vector::rotate2DRad(float rad)
y = sinf(rad)*ox + cosf(rad)*oy;
}
#include "RenderBase.h"
Vector getRotatedVector(const Vector &vec, float rot)
{
#ifdef BBGE_USE_GLM
glm::mat4 m = glm::rotate(glm::mat4(1), rot, glm::vec3(0, 0, 1));
glm::vec4 v = m * glm::vec4(vec.x, vec.y, vec.z, 1.0f);
return Vector(v.x, v.y, v.z);
#else
glPushMatrix();
glLoadIdentity();
glRotatef(rot, 0, 0, 1);
if (vec.x != 0 || vec.y != 0)
{
//glRotatef(this->rotation.z, 0,0,1,this->rotation.z);
glTranslatef(vec.x, vec.y, 0);
}
float m[16];
glGetFloatv(GL_MODELVIEW_MATRIX, m);
float x = m[12];
float y = m[13];
float z = m[14];
glPopMatrix();
return Vector(x,y,z);
#endif
}
// note update this from float lerp

7
CMakeLists.txt
View file

@ -28,7 +28,7 @@ if(MSVC)
# /Oi: enable intrinsic functions
# /fp:fast: -ffast-math
set(AQUARIA_EXTRA_COMPILE_FLAGS "/MP /GS- /Oi /fp:fast" CACHE STRING "Extra compiler flags for MSVC")
option(AQUARIA_MSVC_DEBUG_EDIT_AND_CONTINUE "MSVC: Enable edit+continue for debug builds?" TRUE)
if(AQUARIA_MSVC_DEBUG_EDIT_AND_CONTINUE)
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /ZI")
@ -51,7 +51,6 @@ OPTION(AQUARIA_DEMO_BUILD "Demo Build?" FALSE)
OPTION(AQUARIA_USE_VFS "Use Virtual File System? Required for some additional features." TRUE)
OPTION(AQUARIA_USE_SDL2 "Use SDL2" TRUE)
OPTION(AQUARIA_USE_GLM "Use GLM for matrix math" TRUE)
OPTION(AQUARIA_DEBUG_SHOW_PATHS "Show important paths upon game start to aid in finding path problems" FALSE)
mark_as_advanced(AQUARIA_DEBUG_SHOW_PATHS)
@ -117,10 +116,6 @@ if(AQUARIA_USE_VFS)
INCLUDE_DIRECTORIES(${EXTLIBDIR}/ttvfs_cfileapi)
ENDIF(AQUARIA_USE_VFS)
IF(AQUARIA_USE_GLM)
ADD_DEFINITIONS(-DBBGE_USE_GLM=1)
ENDIF(AQUARIA_USE_GLM)
if(AQUARIA_INTERNAL_FTGL)
ADD_DEFINITIONS(-DAQUARIA_INTERNAL_FTGL=1)
endif()