Michael Fabian 'Xaymar' Dirks
133 lines
2.2 KiB
C++
133 lines
2.2 KiB
C++
#include "camera.hpp"
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#include <gxscene.hpp>
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extern gxScene* gx_scene;
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Camera::Camera()
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{
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setZoom(1);
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setRange(1, 1000);
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setViewport(0, 0, 0, 0);
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setClsColor(Vector());
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setClsMode(true, true);
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setProjMode(PROJ_PERSP);
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setFogRange(1, 1000);
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setFogColor(Vector());
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setFogMode(gxScene::FOG_NONE);
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}
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void Camera::setZoom(float z)
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{
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zoom = z;
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local_valid = false;
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}
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void Camera::setRange(float n, float f)
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{
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frustum_nr = n;
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frustum_fr = f;
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local_valid = false;
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}
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void Camera::setViewport(int x, int y, int w, int h)
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{
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vp_x = x;
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vp_y = y;
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vp_w = w;
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vp_h = h;
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local_valid = false;
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}
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void Camera::setClsColor(const Vector& v)
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{
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cls_color = v;
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}
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void Camera::setClsMode(bool c, bool z)
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{
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cls_argb = c;
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cls_z = z;
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}
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void Camera::setProjMode(int mode)
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{
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proj_mode = mode;
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}
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void Camera::setFogColor(const Vector& v)
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{
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fog_color = v;
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}
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void Camera::setFogRange(float nr, float fr)
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{
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fog_nr = nr;
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fog_fr = fr;
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}
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void Camera::setFogMode(int mode)
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{
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fog_mode = mode;
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}
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const Frustum& Camera::getFrustum() const
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{
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if (!local_valid) {
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float ar = (float)vp_h / vp_w;
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frustum_w = frustum_nr * 2 / zoom;
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frustum_h = frustum_nr * 2 / zoom * ar;
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new (&local_frustum) Frustum(frustum_nr, frustum_fr, frustum_w, frustum_h);
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local_valid = true;
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}
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return local_frustum;
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}
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float Camera::getFrustumNear() const
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{
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return frustum_nr;
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}
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float Camera::getFrustumFar() const
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{
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return frustum_fr;
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}
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float Camera::getFrustumWidth() const
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{
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getFrustum();
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return frustum_w;
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}
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float Camera::getFrustumHeight() const
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{
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getFrustum();
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return frustum_h;
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}
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void Camera::getViewport(int* x, int* y, int* w, int* h) const
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{
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*x = vp_x;
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*y = vp_y;
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*w = vp_w;
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*h = vp_h;
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}
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bool Camera::beginRenderFrame()
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{
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if (!proj_mode)
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return false;
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getFrustum();
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gx_scene->setViewport(vp_x, vp_y, vp_w, vp_h);
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gx_scene->clear(&(cls_color.x), 1, 1, cls_argb, cls_z);
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if (proj_mode == PROJ_ORTHO) {
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gx_scene->setOrthoProj(frustum_nr, frustum_fr, frustum_w, frustum_h);
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} else {
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gx_scene->setPerspProj(frustum_nr, frustum_fr, frustum_w, frustum_h);
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}
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gx_scene->setFogRange(fog_nr, fog_fr);
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gx_scene->setFogColor((float*)&fog_color.x);
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gx_scene->setFogMode(fog_mode);
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return true;
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}
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