From c7af64b7061c59c987958d0830838f1c05caeb29 Mon Sep 17 00:00:00 2001 From: Dan Goodliffe Date: Fri, 19 Jan 2024 00:23:56 +0000 Subject: Render rail network using new shaders Non-functional, totally unimplemented at this stage --- game/network/network.h | 3 +-- game/network/network.impl.h | 11 ----------- game/network/rail.cpp | 22 ++++++++++++++++++++-- game/network/rail.h | 1 + gfx/gl/sceneShader.cpp | 17 ++++++++++++----- gfx/gl/sceneShader.h | 1 + gfx/gl/shaders/network.fs | 6 ++++++ gfx/gl/shaders/networkCurve.gs | 9 +++++++++ gfx/gl/shaders/networkCurve.vs | 20 ++++++++++++++++++++ gfx/gl/shaders/networkStraight.gs | 15 +++++++++++++++ gfx/gl/shaders/networkStraight.vs | 20 ++++++++++++++++++++ test/test-network.cpp | 5 +++++ 12 files changed, 110 insertions(+), 20 deletions(-) create mode 100644 gfx/gl/shaders/network.fs create mode 100644 gfx/gl/shaders/networkCurve.gs create mode 100644 gfx/gl/shaders/networkCurve.vs create mode 100644 gfx/gl/shaders/networkStraight.gs create mode 100644 gfx/gl/shaders/networkStraight.vs diff --git a/game/network/network.h b/game/network/network.h index 12c006c..49322f9 100644 --- a/game/network/network.h +++ b/game/network/network.h @@ -60,6 +60,7 @@ protected: }; template class NetworkLinkHolder { +protected: friend LinkType; mutable InstanceVertices vertices; }; @@ -105,8 +106,6 @@ public: [[nodiscard]] float findNodeDirection(Node::AnyCPtr) const override; - void render(const SceneShader &) const override; - protected: Link::CCollection addJoins(); }; diff --git a/game/network/network.impl.h b/game/network/network.impl.h index c1f079d..ff29088 100644 --- a/game/network/network.impl.h +++ b/game/network/network.impl.h @@ -2,17 +2,6 @@ #include #include -template -void -NetworkOf::render(const SceneShader & shader) const -{ - if constexpr (std::is_base_of_v) { - shader.absolute.use(); - texture->bind(); - links.apply(&Renderable::render, shader); - } -} - template void NetworkOf::joinLinks(const Link::Ptr & l) const diff --git a/game/network/rail.cpp b/game/network/rail.cpp index 3d29ea5..9766851 100644 --- a/game/network/rail.cpp +++ b/game/network/rail.cpp @@ -127,7 +127,7 @@ RailLinkStraight::RailLinkStraight( NetworkLinkHolder & instances, Node::Ptr a, Node::Ptr b, const RelativePosition3D & diff) : Link({std::move(a), vector_yaw(diff)}, {std::move(b), vector_yaw(-diff)}, glm::length(diff)), instance {instances.vertices.acquire( - ends[0].node->pos, ends[1].node->pos, flat_orientation(diff), round_sleepers(length / 2.F))} + ends[0].node->pos, ends[1].node->pos, flat_orientation(diff), round_sleepers(length / 2000.F))} { if (glGenVertexArrays) { std::vector<::Vertex> vertices; @@ -155,7 +155,7 @@ RailLinkCurve::RailLinkCurve(NetworkLinkHolder & instances, const Link({a, normalize(arc.first + half_pi)}, {b, normalize(arc.second - half_pi)}, glm::length(RelativePosition3D(a->pos - c)) * arc_length(arc)), LinkCurve {c, glm::length(RelativePosition3D(ends[0].node->pos - c)), arc}, - instance {instances.vertices.acquire(ends[0].node->pos, ends[1].node->pos, c, round_sleepers(length / 2.F))} + instance {instances.vertices.acquire(ends[0].node->pos, ends[1].node->pos, c, round_sleepers(length / 2000.F))} { if (glGenVertexArrays) { @@ -185,3 +185,21 @@ RailLink::vehiclePositionOffset() const { return RAIL_HEIGHT; } + +void +RailLinks::render(const SceneShader & shader) const +{ + auto renderType = [](auto & v, auto & s) { + if (auto count = v.size()) { + s.use(); + glBindBuffer(GL_VERTEX_ARRAY, v.bufferName()); + glDrawArrays(GL_POINTS, 0, static_cast(count)); + } + }; + if (!links.objects.empty()) { + texture->bind(); + renderType(NetworkLinkHolder::vertices, shader.networkStraight); + renderType(NetworkLinkHolder::vertices, shader.networkCurve); + glBindBuffer(GL_VERTEX_ARRAY, 0); + } +} diff --git a/game/network/rail.h b/game/network/rail.h index e06568f..5191b90 100644 --- a/game/network/rail.h +++ b/game/network/rail.h @@ -77,6 +77,7 @@ public: RailLinks(); std::shared_ptr addLinksBetween(GlobalPosition3D start, GlobalPosition3D end); + void render(const SceneShader &) const override; private: void tick(TickDuration elapsed) override; diff --git a/gfx/gl/sceneShader.cpp b/gfx/gl/sceneShader.cpp index 1b3b27c..146e642 100644 --- a/gfx/gl/sceneShader.cpp +++ b/gfx/gl/sceneShader.cpp @@ -1,14 +1,19 @@ #include "sceneShader.h" #include #include +#include #include #include #include +#include +#include #include #include #include #include #include +#include +#include #include #include #include @@ -21,15 +26,17 @@ SceneShader::SceneShader() : basicInst {dynamicPointInst_vs, material_fs}, landmass {fixedPoint_vs, landmass_fs}, absolute {fixedPoint_vs, material_fs}, spotLightInst {spotLight_vs, spotLight_gs, spotLight_fs}, - pointLightInst {pointLight_vs, pointLight_gs, pointLight_fs} + pointLightInst {pointLight_vs, pointLight_gs, pointLight_fs}, + networkStraight {networkStraight_vs, networkStraight_gs, network_fs}, + networkCurve {networkCurve_vs, networkCurve_gs, network_fs} { } void SceneShader::setViewProjection(const GlobalPosition3D & viewPoint, const glm::mat4 & viewProjection) const { - for (const auto & prog : std::initializer_list { - &basic, &basicInst, &water, &landmass, &absolute, &pointLightInst, &spotLightInst}) { + for (const auto & prog : std::initializer_list {&basic, &basicInst, &water, &landmass, + &absolute, &pointLightInst, &spotLightInst, &networkStraight, &networkCurve}) { prog->setViewProjection(viewPoint, viewProjection); } } @@ -37,8 +44,8 @@ SceneShader::setViewProjection(const GlobalPosition3D & viewPoint, const glm::ma void SceneShader::setViewPort(const ViewPort & viewPort) const { - for (const auto & prog : std::initializer_list { - &basic, &basicInst, &water, &landmass, &absolute, &pointLightInst, &spotLightInst}) { + for (const auto & prog : std::initializer_list {&basic, &basicInst, &water, &landmass, + &absolute, &pointLightInst, &spotLightInst, &networkStraight, &networkCurve}) { prog->setViewPort(viewPort); } } diff --git a/gfx/gl/sceneShader.h b/gfx/gl/sceneShader.h index 813c1bf..c86d157 100644 --- a/gfx/gl/sceneShader.h +++ b/gfx/gl/sceneShader.h @@ -57,6 +57,7 @@ public: BasicProgram basic; WaterProgram water; AbsolutePosProgram basicInst, landmass, absolute, spotLightInst, pointLightInst; + AbsolutePosProgram networkStraight, networkCurve; void setViewProjection(const GlobalPosition3D & viewPoint, const glm::mat4 & viewProjection) const; void setViewPort(const ViewPort & viewPort) const; diff --git a/gfx/gl/shaders/network.fs b/gfx/gl/shaders/network.fs new file mode 100644 index 0000000..d427da2 --- /dev/null +++ b/gfx/gl/shaders/network.fs @@ -0,0 +1,6 @@ +#version 330 core + +void +main() +{ +} diff --git a/gfx/gl/shaders/networkCurve.gs b/gfx/gl/shaders/networkCurve.gs new file mode 100644 index 0000000..cf70b6e --- /dev/null +++ b/gfx/gl/shaders/networkCurve.gs @@ -0,0 +1,9 @@ +#version 330 core + +layout(points) in; +layout(triangle_strip, max_vertices = 255) out; + +void +main() +{ +} diff --git a/gfx/gl/shaders/networkCurve.vs b/gfx/gl/shaders/networkCurve.vs new file mode 100644 index 0000000..b4324d6 --- /dev/null +++ b/gfx/gl/shaders/networkCurve.vs @@ -0,0 +1,20 @@ +#version 330 core + +layout(location = 0) in ivec3 v_apos; +layout(location = 1) in ivec3 v_bpos; +layout(location = 2) in ivec3 v_centre; +layout(location = 3) in float v_reps; + +uniform mat4 viewProjection; + +flat out ivec3 apos; +flat out ivec3 bpos; +flat out mat2 rot; +flat out float reps; +flat out float dist; + +void +main() +{ + dist = viewProjection[0][0]; +} diff --git a/gfx/gl/shaders/networkStraight.gs b/gfx/gl/shaders/networkStraight.gs new file mode 100644 index 0000000..c2bfe3f --- /dev/null +++ b/gfx/gl/shaders/networkStraight.gs @@ -0,0 +1,15 @@ +#version 330 core + +flat in ivec3 apos[]; +flat in ivec3 bpos[]; +flat in mat2 rot[]; +flat in float reps[]; +flat in float dist[]; + +layout(points) in; +layout(triangle_strip, max_vertices = 20) out; + +void +main() +{ +} diff --git a/gfx/gl/shaders/networkStraight.vs b/gfx/gl/shaders/networkStraight.vs new file mode 100644 index 0000000..025ae8f --- /dev/null +++ b/gfx/gl/shaders/networkStraight.vs @@ -0,0 +1,20 @@ +#version 330 core + +layout(location = 0) in ivec3 v_apos; +layout(location = 1) in ivec3 v_bpos; +layout(location = 2) in mat2 v_rot; +layout(location = 4) in float v_reps; + +uniform mat4 viewProjection; + +flat out ivec3 apos; +flat out ivec3 bpos; +flat out mat2 rot; +flat out float reps; +flat out float dist; + +void +main() +{ + dist = viewProjection[0][0]; +} diff --git a/test/test-network.cpp b/test/test-network.cpp index dbc184d..df61b94 100644 --- a/test/test-network.cpp +++ b/test/test-network.cpp @@ -68,6 +68,11 @@ struct TestNetwork : public NetworkOf { addLink(p200, p110, 2.F); addLink(p100, p110, 1.F); } + + void + render(const SceneShader &) const override + { + } }; const auto VALID_NODES = boost::unit_test::data::make({ -- cgit v1.2.3