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author | Liso <anlismon@gmail.com> | 2021-06-06 18:51:21 +0200 |
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committer | GitHub <noreply@github.com> | 2021-06-06 18:51:21 +0200 |
commit | c47313db65f968559711ac1b505ef341a9872017 (patch) | |
tree | 63d9b1b2be512918e2361d96e4fb52ff1ec3f9de /src/client/shadows/dynamicshadows.h | |
parent | 46f42e15c41cf4ab23c5ff4cd8a7d99d94d10d7b (diff) | |
download | hax-minetest-server-c47313db65f968559711ac1b505ef341a9872017.tar.gz hax-minetest-server-c47313db65f968559711ac1b505ef341a9872017.zip |
Shadow mapping render pass (#11244)
Co-authored-by: x2048 <codeforsmile@gmail.com>
Diffstat (limited to 'src/client/shadows/dynamicshadows.h')
-rw-r--r-- | src/client/shadows/dynamicshadows.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/client/shadows/dynamicshadows.h b/src/client/shadows/dynamicshadows.h new file mode 100644 index 000000000..a53612f7c --- /dev/null +++ b/src/client/shadows/dynamicshadows.h @@ -0,0 +1,102 @@ +/* +Minetest +Copyright (C) 2021 Liso <anlismon@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#pragma once + +#include "irrlichttypes_bloated.h" +#include <matrix4.h> +#include "util/basic_macros.h" + +class Camera; +class Client; + +struct shadowFrustum +{ + float zNear{0.0f}; + float zFar{0.0f}; + float length{0.0f}; + core::matrix4 ProjOrthMat; + core::matrix4 ViewMat; + v3f position; +}; + +class DirectionalLight +{ +public: + DirectionalLight(const u32 shadowMapResolution, + const v3f &position, + video::SColorf lightColor = video::SColor(0xffffffff), + f32 farValue = 100.0f); + ~DirectionalLight() = default; + + //DISABLE_CLASS_COPY(DirectionalLight) + + void update_frustum(const Camera *cam, Client *client); + + // when set direction is updated to negative normalized(direction) + void setDirection(v3f dir); + v3f getDirection() const{ + return direction; + }; + v3f getPosition() const; + + /// Gets the light's matrices. + const core::matrix4 &getViewMatrix() const; + const core::matrix4 &getProjectionMatrix() const; + core::matrix4 getViewProjMatrix(); + + /// Gets the light's far value. + f32 getMaxFarValue() const + { + return farPlane; + } + + + /// Gets the light's color. + const video::SColorf &getLightColor() const + { + return diffuseColor; + } + + /// Sets the light's color. + void setLightColor(const video::SColorf &lightColor) + { + diffuseColor = lightColor; + } + + /// Gets the shadow map resolution for this light. + u32 getMapResolution() const + { + return mapRes; + } + + bool should_update_map_shadow{true}; + +private: + void createSplitMatrices(const Camera *cam); + + video::SColorf diffuseColor; + + f32 farPlane; + u32 mapRes; + + v3f pos; + v3f direction{0}; + shadowFrustum shadow_frustum; +}; |