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authorDan Goodliffe <dan@randomdan.homeip.net>2021-03-06 17:35:05 +0000
committerDan Goodliffe <dan@randomdan.homeip.net>2021-03-06 17:35:05 +0000
commit47784c84f51891a5ab99aa363f231b8267773ce6 (patch)
treeba48152a874cc9d4f74d9350d1a12a56c9976df0 /game/vehicles
parentIntroduce the rail vehicle class for the definition of the vehicle (diff)
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Push lots of stuff into rail vehicle class
Derives lots more info directly from the model
Diffstat (limited to 'game/vehicles')
-rw-r--r--game/vehicles/railloco.cpp90
-rw-r--r--game/vehicles/railloco.h10
2 files changed, 62 insertions, 38 deletions
diff --git a/game/vehicles/railloco.cpp b/game/vehicles/railloco.cpp
index 7763147..2650120 100644
--- a/game/vehicles/railloco.cpp
+++ b/game/vehicles/railloco.cpp
@@ -18,6 +18,22 @@
#include <utility>
#include <vector>
+RailVehicleClass::RailVehicleClass(const std::string & name) :
+ RailVehicleClass {std::make_unique<ObjParser>(Resource::mapPath(name + ".obj")),
+ Texture::cachedTexture.get(Resource::mapPath(name + ".png"))}
+{
+}
+
+RailVehicleClass::RailVehicleClass(std::unique_ptr<ObjParser> o, std::shared_ptr<Texture> t) : texture {std::move(t)}
+{
+ wheelBase = bogieOffset(*o);
+ length = objectLength(*o);
+ const auto m = o->createMeshes();
+ bodyMesh = m.at("Body");
+ bogies[0] = m.at("Bogie1");
+ bogies[1] = m.at("Bogie2");
+}
+
void
RailVehicleClass::render(const Shader & shader, const Location & location, const std::array<Location, 2> & bl) const
{
@@ -30,6 +46,38 @@ RailVehicleClass::render(const Shader & shader, const Location & location, const
bodyMesh->Draw();
}
+float
+RailVehicleClass::bogieOffset(ObjParser & o)
+{
+ float wheelBase {0};
+ // offset bogie positions so they can be set directly
+ for (auto & object : o.objects) { // bogie object index
+ if (!object.first.starts_with("Bogie"))
+ continue;
+ std::set<std::pair<float, int>> vertexIds;
+ for (const auto & face : object.second) {
+ for (const auto & faceElement : face) {
+ vertexIds.emplace(o.vertices[faceElement.x - 1].z, faceElement.x - 1);
+ }
+ }
+ const auto offset = (vertexIds.begin()->first + vertexIds.rbegin()->first) / 2;
+ for (const auto & v : vertexIds) {
+ o.vertices[v.second].z -= offset;
+ }
+ wheelBase += std::abs(offset);
+ }
+ return wheelBase;
+}
+
+float
+RailVehicleClass::objectLength(ObjParser & o)
+{
+ const auto mme = std::minmax_element(o.vertices.begin(), o.vertices.end(), [](const auto & v1, const auto & v2) {
+ return v1.z < v2.z;
+ });
+ return mme.second->z - mme.first->z;
+}
+
void
RailVehicle::render(const Shader & shader) const
{
@@ -91,57 +139,23 @@ void
RailLoco::updateWagons() const
{
// Drag wagons
- float trailBy {rvClass->length};
+ float trailBy {rvClass->length + 0.6F};
for (const auto & wagon : wagons) {
const auto w {wagon.lock()};
updateRailVehiclePosition(w.get(), trailBy);
- trailBy += w->rvClass->length;
+ trailBy += w->rvClass->length + 0.6F;
}
}
void RailWagon::tick(TickDuration) { }
-void
-bogieOffset(ObjParser & o)
-{
- // offset bogie positions so they can be set directly
- for (int b = 1; b < 3; b++) { // bogie object index
- std::set<std::pair<float, int>> vertexIds;
- for (const auto & face : o.objects[b].second) {
- for (const auto & faceElement : face) {
- vertexIds.emplace(o.vertices[faceElement.x - 1].z, faceElement.x - 1);
- }
- }
- auto offset = (vertexIds.begin()->first + vertexIds.rbegin()->first) / 2;
- for (const auto & v : vertexIds) {
- o.vertices[v.second].z -= offset;
- }
- }
-}
-
-class Brush47Class : public RailVehicleClass {
-public:
- Brush47Class()
- {
- ObjParser o {Resource::mapPath("brush47.obj")};
- bogieOffset(o);
- const auto m = o.createMeshes();
- bodyMesh = m.at("Body");
- bogies[0] = m.at("Bogie1");
- bogies[1] = m.at("Bogie2");
- texture = Texture::cachedTexture.get(Resource::mapPath("brush47.png"));
- wheelBase = 12.F;
- length = 20.F;
- }
-};
-
-Brush47::Brush47(const LinkPtr & l) : RailLoco(std::make_shared<Brush47Class>(), l, 0)
+Brush47::Brush47(const LinkPtr & l) : RailLoco(std::make_shared<RailVehicleClass>("brush47"), l, 0)
{
speed = 33.6F;
linkDist = rvClass->wheelBase;
}
-Brush47Wagon::Brush47Wagon(const LinkPtr & l) : RailWagon(std::make_shared<Brush47Class>(), l, 0)
+Brush47Wagon::Brush47Wagon(const LinkPtr & l) : RailWagon(std::make_shared<RailVehicleClass>("brush47"), l, 0)
{
linkDist = rvClass->wheelBase;
}
diff --git a/game/vehicles/railloco.h b/game/vehicles/railloco.h
index 88f9503..1bc0a51 100644
--- a/game/vehicles/railloco.h
+++ b/game/vehicles/railloco.h
@@ -5,20 +5,30 @@
#include <array>
#include <location.hpp>
#include <memory>
+#include <string>
#include <utility>
#include <vector>
class Shader;
class Texture;
+class ObjParser;
class RailVehicleClass {
public:
+ explicit RailVehicleClass(const std::string & name);
+
void render(const Shader &, const Location &, const std::array<Location, 2> &) const;
+
std::array<MeshPtr, 2> bogies;
MeshPtr bodyMesh;
std::shared_ptr<Texture> texture;
float wheelBase;
float length;
+
+private:
+ RailVehicleClass(std::unique_ptr<ObjParser> obj, std::shared_ptr<Texture>);
+ static float bogieOffset(ObjParser & o);
+ static float objectLength(ObjParser & o);
};
using RailVehicleClassPtr = std::shared_ptr<RailVehicleClass>;