From 94311f9c4e82b7475802b1934cc0c5b243e0cd2f Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Wed, 3 Mar 2021 00:08:47 +0000
Subject: Replace Transform with Location

Simpler, unbinds the transformation matrices for location, now done just in the shader.
---
 game/network/link.h   |  4 ++--
 game/network/rail.cpp | 11 ++++++-----
 game/network/rail.h   |  6 +++---
 3 files changed, 11 insertions(+), 10 deletions(-)

(limited to 'game/network')

diff --git a/game/network/link.h b/game/network/link.h
index 4968eba..e541975 100644
--- a/game/network/link.h
+++ b/game/network/link.h
@@ -2,8 +2,8 @@
 #define LINK_H
 
 #include <array>
-#include <gfx/gl/transform.h>
 #include <glm/glm.hpp>
+#include <location.hpp>
 #include <memory>
 #include <special_members.hpp>
 #include <utility>
@@ -39,7 +39,7 @@ public:
 	NO_COPY(Link);
 	NO_MOVE(Link);
 
-	[[nodiscard]] virtual Transform positionAt(float dist, unsigned char start) const = 0;
+	[[nodiscard]] virtual Location positionAt(float dist, unsigned char start) const = 0;
 
 	std::array<End, 2> ends;
 	float length;
diff --git a/game/network/rail.cpp b/game/network/rail.cpp
index 55d57e4..6834989 100644
--- a/game/network/rail.cpp
+++ b/game/network/rail.cpp
@@ -9,6 +9,7 @@
 #include <gfx/models/vertex.hpp>
 #include <glm/gtx/transform.hpp>
 #include <initializer_list>
+#include <location.hpp>
 #include <maths.h>
 #include <stdexcept>
 #include <type_traits>
@@ -97,7 +98,7 @@ RailLinks::addLinksBetween(glm::vec3 start, glm::vec3 end)
 void
 RailLinks::render(const Shader & shader) const
 {
-	shader.setModel(glm::identity<glm::mat4>());
+	shader.setModel(Location {});
 	texture->Bind();
 	links.apply(&RailLink::render, shader);
 }
@@ -158,13 +159,13 @@ RailLinkStraight::RailLinkStraight(NodePtr a, NodePtr b, const glm::vec3 & diff)
 	defaultMesh();
 }
 
-Transform
+Location
 RailLinkStraight::positionAt(float dist, unsigned char start) const
 {
 	const auto es {std::make_pair(ends[start].first.get(), ends[1 - start].first.get())};
 	const auto diff {es.second->pos - es.first->pos};
 	const auto dir {glm::normalize(diff)};
-	return Transform {es.first->pos + RAIL_HEIGHT + dir * dist, {-vector_pitch(dir), vector_yaw(dir), 0}};
+	return Location {es.first->pos + RAIL_HEIGHT + dir * dist, {-vector_pitch(dir), vector_yaw(dir), 0}};
 }
 
 RailLinkCurve::RailLinkCurve(const NodePtr & a, const NodePtr & b, glm::vec2 c) :
@@ -197,7 +198,7 @@ RailLinkCurve::RailLinkCurve(const NodePtr & a, const NodePtr & b, glm::vec3 c,
 	defaultMesh();
 }
 
-Transform
+Location
 RailLinkCurve::positionAt(float dist, unsigned char start) const
 {
 	static constexpr std::array<float, 2> dirOffset {half_pi, -half_pi};
@@ -210,5 +211,5 @@ RailLinkCurve::positionAt(float dist, unsigned char start) const
 	const auto relClimb {RAIL_HEIGHT
 			+ glm::vec3 {0, -centreBase.y + es.first->pos.y + ((es.second->pos.y - es.first->pos.y) * frac), 0}};
 	const auto pitch {vector_pitch({0, (es.first->pos.y - es.second->pos.y) / length, 0})};
-	return Transform {relPos + relClimb + centreBase, {pitch, normalize(ang + dirOffset[start]), 0}};
+	return Location {relPos + relClimb + centreBase, {pitch, normalize(ang + dirOffset[start]), 0}};
 }
diff --git a/game/network/rail.h b/game/network/rail.h
index 5837ac1..d25964d 100644
--- a/game/network/rail.h
+++ b/game/network/rail.h
@@ -3,12 +3,12 @@
 
 #include "collection.hpp"
 #include "game/worldobject.h"
-#include "gfx/gl/transform.h"
 #include "gfx/models/mesh.h"
 #include "gfx/models/vertex.hpp"
 #include "gfx/renderable.h"
 #include "link.h"
 #include <glm/glm.hpp>
+#include <location.hpp>
 #include <maths.h>
 #include <memory>
 #include <set>
@@ -37,7 +37,7 @@ protected:
 class RailLinkStraight : public RailLink {
 public:
 	RailLinkStraight(const NodePtr &, const NodePtr &);
-	[[nodiscard]] Transform positionAt(float dist, unsigned char start) const override;
+	[[nodiscard]] Location positionAt(float dist, unsigned char start) const override;
 
 private:
 	RailLinkStraight(NodePtr, NodePtr, const glm::vec3 & diff);
@@ -46,7 +46,7 @@ private:
 class RailLinkCurve : public RailLink {
 public:
 	RailLinkCurve(const NodePtr &, const NodePtr &, glm::vec2);
-	[[nodiscard]] Transform positionAt(float dist, unsigned char start) const override;
+	[[nodiscard]] Location positionAt(float dist, unsigned char start) const override;
 
 private:
 	RailLinkCurve(const NodePtr &, const NodePtr &, glm::vec3, const Arc);
-- 
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